Schedule III - Real Estate and Accumulated Depreciation (Notes)

v3.8.0.1

Schedule III - Real Estate and Accumulated Depreciation (Notes)	12 Months Ended
	Dec. 31, 2017
SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract]
SCHEDULE III—REAL ESTATE AND ACCUMULATED DEPRECIATION	GLADSTONE COMMERCIAL CORPORATION SCHEDULE III—REAL ESTATE AND ACCUMULATED DEPRECIATION DECEMBER 31, 2017 (Dollars in Thousands)       Initial Cost   Total Cost         Location of Property Encumbrances Land Buildings & Improvements Improvement Costs Capitalized Subsequent to Acquisition Land Buildings & Improvements Total  (1) Accumulated Depreciation (2) Net Real Estate (4) Year Construction/ Improvements Date Acquired Raleigh, North Carolina (3)                       Office Building $ — $ 960 $ 4,481 $ 35 $ 960 $ 4,516 $ 5,476 $ 2,090 $ 3,386 1997 12/23/2003 Canton, Ohio                       Office Building 1,574 186 3,083 500 187 3,582 3,769 1,325 2,444 1994 1/30/2004 Akron, Ohio (3)                       Office Building — 1,973 6,771 1,658 1,974 8,428 10,402 2,628 7,774 1968/1999 4/29/2004 Charlotte, North Carolina                       Office Building 6,757 740 8,423 61 741 8,483 9,224 2,981 6,243 1984/1995 6/30/2004 Canton, North Carolina                       Industrial Building 3,412 150 5,050 7,285 150 12,335 12,485 2,349 10,136 1998/2014 7/6/2004 Crenshaw, Pennsylvania                       Industrial Building 4,116 100 6,574 269 100 6,843 6,943 2,368 4,575 1991 8/5/2004 Lexington, North Carolina                       Industrial Building 2,398 820 2,107 69 820 2,176 2,996 778 2,218 1986 8/5/2004 Austin, Texas (3)                       Office Building — 1,000 6,296 703 1,000 6,999 7,999 2,280 5,719 2001 9/16/2004 Mt. Pocono, Pennsylvania (3)                       Industrial Building — 350 5,819 18 350 5,837 6,187 2,007 4,180 1995/1999 10/15/2004 San Antonio, Texas (3)                       Office Building — 843 7,514 724 843 8,238 9,081 3,065 6,016 1999 2/10/2005 Big Flats, New York                       Industrial Building 2,240 275 6,459 34 275 6,493 6,768 2,123 4,645 2001 4/15/2005 Wichita, Kansas (3)                       Office Building — 1,525 9,703 77 1,525 9,780 11,305 3,255 8,050 2000 5/18/2005 Arlington, Texas (3)                       Industrial Building — 636 3,695 819 636 4,514 5,150 1,349 3,801 1966 5/26/2005 Eatontown, New Jersey                       Office Building 2,814 1,351 3,520 534 1,351 4,054 5,405 1,356 4,049 1991 7/7/2005 Duncan, South Carolina                       Industrial Building 9,252 783 10,790 1,717 783 12,507 13,290 3,935 9,355 1984/2001/2007 7/14/2005 Duncan, South Carolina                       Industrial Building 2,300 195 2,682 427 195 3,109 3,304 978 2,326 1984/2001/2007 7/14/2005 Clintonville, Wisconsin (3)                       Industrial Building — 55 4,717 3,250 55 7,967 8,022 1,990 6,032 1992/2013 10/31/2005 Maple Heights, Ohio                       Industrial Building 4,000 1,609 10,065 1,479 1,609 11,544 13,153 4,412 8,741 1974 12/21/2005 Richmond, Virginia (3)                       Office Building — 736 5,336 62 736 5,398 6,134 1,698 4,436 1972 12/30/2005 South Hadley, Massachusetts (3)                       Industrial Building — 471 2,765 (949 ) 270 2,017 2,287 844 1,443 1978 2/15/2006 Champaign, Illinois                       Office Building 1,509 687 2,036 2 687 2,038 2,725 649 2,076 1996 2/21/2006 Champaign, Illinois                       Office Building 2,959 1,347 3,992 4 1,347 3,996 5,343 1,272 4,071 1996 2/21/2006 Champaign, Illinois                       Office Building 1,849 842 2,495 2 842 2,497 3,339 795 2,544 1996 2/21/2006 Champaign, Illinois                       Office Building 1,691 770 2,281 2 770 2,283 3,053 727 2,326 1996 2/21/2006 Burnsville, Minnesota                       Office Building 8,628 3,511 8,746 6,693 3,511 15,439 18,950 4,277 14,673 1984 5/10/2006 Menomonee Falls, Wisconsin (3)                       Industrial Building — 625 6,911 686 625 7,597 8,222 2,167 6,055 1986/2000 6/30/2006 Baytown, Texas                           Initial Cost   Total Cost         Location of Property Encumbrances Land Buildings & Improvements Improvement Costs Capitalized Subsequent to Acquisition Land Buildings & Improvements Total  (1) Accumulated Depreciation (2) Net Real Estate (4) Year Construction/ Improvements Date Acquired Medical Office Building — 221 2,443 2,451 221 4,894 5,115 969 4,146 1997 7/11/2006 Mason, Ohio                       Office Building 3,930 797 6,258 540 797 6,798 7,595 2,176 5,419 2002 1/5/2007 Raleigh, North Carolina (3)                       Industrial Building — 1,606 5,513 3,749 1,606 9,262 10,868 2,138 8,730 1994 2/16/2007 Tulsa, Oklahoma                       Industrial Building 6,917 — 14,057 — — 14,057 14,057 4,582 9,475 2004 3/1/2007 Hialeah, Florida (3)                       Industrial Building — 3,562 6,672 769 3,562 7,441 11,003 2,055 8,948 1956/1992 3/9/2007 Tewksbury, Massachusetts                       Industrial Building — 1,395 8,893 (2,441 ) 904 6,943 7,847 2,622 5,225 1985/1989 5/17/2007 Mason, Ohio (3)                       Retail Building — 1,201 4,961 — 1,201 4,961 6,162 1,359 4,803 2007 7/1/2007 Cicero, New York                       Industrial Building 3,459 299 5,019 — 299 5,019 5,318 1,328 3,990 2005 9/6/2007 Grand Rapids, Michigan                       Office Building 5,393 1,629 10,500 308 1,629 10,808 12,437 2,913 9,524 2001 9/28/2007 Bollingbrook, Illinois (3)                       Industrial Building — 1,272 5,003 856 1,272 5,859 7,131 1,579 5,552 2002 9/28/2007 Decatur, Georgia (3)                       Medical Office Building — 783 3,241 — 783 3,241 4,024 878 3,146 1989 12/13/2007 Decatur, Georgia (3)                       Medical Office Building — 205 847 — 205 847 1,052 230 822 1989 12/13/2007 Decatur, Georgia (3)                       Medical Office Building — 257 1,062 — 257 1,062 1,319 288 1,031 1989 12/13/2007 Lawrenceville, Georgia (3)                       Medical Office Building — 678 2,807 — 678 2,807 3,485 761 2,724 2005 12/13/2007 Snellville, Georgia (3)                       Medical Office Building — 176 727 — 176 727 903 197 706 1986 12/13/2007 Covington, Georgia (3)                       Medical Office Building — 232 959 — 232 959 1,191 260 931 2000 12/13/2007 Conyers, Georgia (3)                       Medical Office Building — 296 1,228 — 296 1,228 1,524 333 1,191 2004 12/13/2007 Cumming, Georgia                       Medical Office Building 2,908 738 3,055 2,524 741 5,576 6,317 1,180 5,137 1994 12/13/2007 Reading, Pennsylvania                       Industrial Building 3,684 491 6,202 — 491 6,202 6,693 1,583 5,110 2007 1/29/2008 Fridley, Minnesota                       Office Building 4,785 1,354 8,074 399 1,383 8,444 9,827 2,588 7,239 1985/2006 2/26/2008 Pineville, North Carolina                       Industrial Building 2,141 669 3,028 6 669 3,034 3,703 777 2,926 1985 4/30/2008 Marietta, Ohio                       Industrial Building 5,226 829 6,607 529 829 7,136 7,965 1,647 6,318 1992/2007 8/29/2008 Chalfont, Pennsylvania                       Industrial Building 4,672 1,249 6,420 327 1,249 6,747 7,996 1,830 6,166 1987 8/29/2008 Orange City, Iowa                       Industrial Building 7,365 258 5,861 6 258 5,867 6,125 1,293 4,832 1990 12/15/2010 Hickory, North Carolina                       Office Building 6,257 1,163 6,605 — 1,163 6,605 7,768 2,026 5,742 2008 4/4/2011 Springfield, Missouri (3)                       Office Building — 1,700 12,038 — 1,700 12,038 13,738 2,367 11,371 2006 6/20/2011 Boston Heights, Ohio                       Office Building 2,472 449 3,010 11 449 3,021 3,470 830 2,640 2011 10/20/2011 Parsippany, New Jersey                       Office Building 6,331 1,696 7,077 81 1,696 7,158 8,854 1,675 7,179 1984 10/28/2011 Dartmouth, Massachusetts                       Retail Location 3,703 — 4,236 — — 4,236 4,236 723 3,513 2011 11/18/2011 Springfield, Missouri                       Retail Location 1,550 — 2,275 — — 2,275 2,275 497 1,778 2005 12/13/2011 Pittsburgh, Pennsylvania                           Initial Cost   Total Cost         Location of Property Encumbrances Land Buildings & Improvements Improvement Costs Capitalized Subsequent to Acquisition Land Buildings & Improvements Total  (1) Accumulated Depreciation (2) Net Real Estate (4) Year Construction/ Improvements Date Acquired Office Building 2,539 281 3,205 743 281 3,948 4,229 757 3,472 1968 12/28/2011 Ashburn, Virginia                       Office Building 6,680 706 7,858 — 705 7,859 8,564 1,549 7,015 2002 1/25/2012 Ottumwa, Iowa                       Industrial Building 3,650 212 5,072 287 212 5,359 5,571 1,055 4,516 1970 5/30/2012 New Albany, Ohio                       Office Building 8,078 1,658 8,746 — 1,658 8,746 10,404 1,796 8,608 2007 6/5/2012 Columbus, Georgia                       Office Building 4,181 1,378 4,520 — 1,378 4,520 5,898 1,031 4,867 2012 6/21/2012 Columbus, Ohio                       Office Building 2,624 542 2,453 92 542 2,545 3,087 639 2,448 1981 6/28/2012 Jupiter, Florida                       Office Building 9,493 1,160 11,994 — 1,160 11,994 13,154 1,926 11,228 2011 9/26/2012 Fort Worth, Texas                       Industrial Building 12,353 963 15,647 — 963 15,647 16,610 2,452 14,158 2005 11/8/2012 Columbia, South Carolina                       Office Building 16,576 1,905 20,648 8 1,905 20,656 22,561 4,521 18,040 2010 11/21/2012 Egg Harbor, New Jersey                       Office Building 3,269 1,627 3,017 315 1,627 3,332 4,959 579 4,380 1985 3/28/2013 Vance, Alabama (3)                       Industrial Building — 457 10,529 6,691 456 17,221 17,677 1,822 15,855 2013 5/9/2013 Blaine, Minnesota                       Office Building 7,646 1,060 10,518 — 1,060 10,518 11,578 2,117 9,461 2009 5/10/2013 Austin, Texas                       Office Building 32,834 2,330 44,021 122 2,330 44,143 46,473 10,162 36,311 1999 7/9/2013 Allen, Texas                       Office Building 8,221 2,699 7,945 771 2,699 8,716 11,415 1,827 9,588 1998 7/10/2013 Englewood, Colorado                       Office Building 10,577 1,503 11,739 — 1,503 11,739 13,242 2,098 11,144 2008 12/11/2013 Novi, Michigan                       Industrial Building 4,018 352 5,626 — 352 5,626 5,978 780 5,198 1988 12/27/2013 Allen, Texas                       Retail Building 3,040 874 3,634 — 874 3,634 4,508 472 4,036 2004 3/27/2014 Colleyville, Texas                       Retail Building 2,812 1,277 2,424 — 1,277 2,424 3,701 359 3,342 2000 3/27/2014 Rancho Cordova, California                       Office Building 4,740 752 6,176 287 752 6,463 7,215 806 6,409 1986 4/22/2014 Coppell, Texas                       Retail Building 3,230 1,448 3,349 — 1,448 3,349 4,797 420 4,377 2005 5/8/2014 Columbus, Ohio (3)                       Office Building — 990 8,017 1,600 990 9,617 10,607 1,628 8,979 1986 5/13/2014 Taylor, Pennsylvania                       Industrial Building 22,045 3,101 25,405 — 3,101 25,405 28,506 2,867 25,639 2000/2006 6/9/2014 Aurora, Colorado (3)                       Industrial Building — 2,882 3,917 96 2,882 4,013 6,895 571 6,324 1983 7/1/2014 Indianapolis, Indiana                       Office Building 5,846 502 6,422 645 498 7,071 7,569 1,057 6,512 1981/2014 9/3/2014 Denver, Colorado (3)                       Industrial Building — 1,621 7,071 243 1,621 7,314 8,935 877 8,058 1985 10/31/2014 Monroe, Michigan                       Industrial Building 10,280 658 14,607 — 657 14,608 15,265 1,378 13,887 2004 12/23/2014 Monroe, Michigan                       Industrial Building 7,196 460 10,225 — 460 10,225 10,685 965 9,720 2004 12/23/2014 Richardson, Texas                       Office Building 13,873 2,728 15,372 66 2,728 15,438 18,166 1,949 16,217 1985/2008 3/6/2015 Birmingham, Alabama (3)                       Office Building — 650 2,034 50 650 2,084 2,734 274 2,460 1982/2010 3/20/2015 Dublin, Ohio                       Office Building 4,192 1,338 5,058 35 1,338 5,093 6,431 631 5,800 1980/Various 5/28/2015 Draper, Utah                           Initial Cost   Total Cost         Location of Property Encumbrances Land Buildings & Improvements Improvement Costs Capitalized Subsequent to Acquisition Land Buildings & Improvements Total  (1) Accumulated Depreciation (2) Net Real Estate (4) Year Construction/ Improvements Date Acquired Office Building 12,666 3,248 13,129 74 3,248 13,203 16,451 1,382 15,069 2008 5/29/2015 Hapeville, Georgia                       Office Building 7,252 2,272 8,778 263 2,272 9,041 11,313 834 10,479 1999/2007 7/15/2015 Villa Rica, Georgia                       Industrial Building 3,677 293 5,277 18 293 5,295 5,588 435 5,153 2000/2014 10/20/2015 Taylorsville, Utah                       Office Building 9,569 3,008 10,659 370 3,008 11,029 14,037 920 13,117 1997 5/26/2016 Fort Lauderdale, Florida                       Office Building 13,721 4,117 15,516 1,881 4,117 17,397 21,514 950 20,564 1984 9/12/2016 King of Prussia, Pennsylvania                       Office Building 14,800 3,681 15,739 — 3,681 15,739 19,420 750 18,670 2001 12/14/2016 Conshohocken, Pennsylvania                       Office Building 11,036 1,996 10,880 — 1,996 10,880 12,876 228 12,648 1996 6/22/2017 Philadelphia, Pennsylvania                       Industrial Building 14,924 5,896 16,282 — 5,896 16,282 22,178 371 21,807 1994/2011 7/7/2017 Maitland, Florida                       Office Building 11,907 3,073 19,661 — 3,073 19,661 22,734 450 22,284 1998 7/31/2017 Maitland, Florida                       Office Building 8,327 2,077 1,084 — 2,077 1,084 3,161 69 3,092 1998 7/31/2017 Maitland, Florida                       Office Building 8,327 2,095 9,339 — 2,095 9,339 11,434 163 11,271 1999 7/31/2017 Columbus, Ohio                       Office Building — 1,926 11,410 — 1,926 11,410 13,336 48 13,288 2007 12/1/2017 Salt Lake City (3)                       Office Building — 4,446 9,938 — 4,446 9,938 14,384 40 14,344 2007 12/1/2017   $ 452,491 $ 123,987 $ 731,930 $ 50,933 $ 123,323 $ 783,527 $ 906,850 $ 153,387 $ 753,463     (1) The aggregate cost for land and building improvements for federal income tax purposes is the same as the total gross cost of land, building improvements and acquisition costs capitalized for asset acquisitions under ASC 360, which is $906.9 million. (2) Depreciable life of all buildings is the shorter of the useful life of the asset or 39 years. Depreciable life of all improvements is the shorter of the useful life of the assets or the life of the respective leases on each building, which range from 5-20 years. (3) These properties are in our unencumbered pool of assets on our Credit Facility. (4) The net real estate figure includes real estate held for sale as of December 31, 2017 of $9.0 million. The following table reconciles the change in the balance of real estate during the years ended December 31, 2017, 2016 and 2015, respectively (in thousands):       2017   2016   2015   Balance at beginning of period   $ 833,203   $ 782,276   $ 722,565   Additions:               Acquisitions during period   100,103   52,719   60,231   Improvements   10,473   10,362   6,527   Deductions:               Dispositions during period   (30,094 )   (10,138 )   (6,425 )   Impairments during period   (6,835 )   (2,016 )   (622 ) Balance at end of period   $ 906,850 (1) $ 833,203 (2) $ 782,276 (3)   (1) The real estate figure includes $13.0 million of real estate held for sale as of December 31, 2017. (2) The real estate figure includes $11.5 million of real estate held for sale as of December 31, 2016. (3) The real estate figure includes $1.9 million of real estate held for sale as of December 31, 2015. The following table reconciles the change in the balance of accumulated depreciation during the years ended December 31, 2017, 2016 and 2015, respectively (in thousands):       2017   2016   2015 Balance at beginning of period   $ 134,329   $ 113,089   $ 92,133 Additions during period   26,927   24,148   22,220 Dispositions during period   (7,869 )   (2,908 )   (1,264 ) Balance at end of period   $ 153,387 (1) $ 134,329 (2) $ 113,089   (1) The accumulated depreciation figure includes $4.0 million of real estate held for sale as of December 31, 2017. (2) The accumulated depreciation figure includes $2.7 million of real estate held for sale as of December 31, 2016. (3) The accumulated depreciation figure includes $0.8 million real estate held for sale as of December 31, 2015.