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Real Estate and Intangible Assets - Summary of Properties Acquired (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | 1 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
sqft
|
Dec. 31, 2012
sqft
|
Dec. 31, 2013
Egg Harbor Township, NJ [Member]
sqft
Option
|
Dec. 31, 2013
Vance, AL [Member]
sqft
Option
|
Dec. 31, 2013
Blaine, MN [Member]
sqft
Option
|
Dec. 31, 2013
Austin, TX [Member]
sqft
Option
|
Dec. 31, 2013
Allen, TX [Member]
sqft
Option
|
Dec. 31, 2013
Englewood, CO [Member]
sqft
Option
|
Dec. 31, 2013
Novi, MI [Member]
sqft
Option
|
Dec. 31, 2012
Ottumwa, IA [Member]
sqft
Option
|
Dec. 31, 2012
New Albany, OH [Member]
sqft
Option
|
Dec. 31, 2012
Columbus, GA [Member]
sqft
Option
|
Dec. 31, 2012
Columbus, OH [Member]
sqft
|
Dec. 31, 2012
Jupiter, FL [Member]
sqft
Option
|
Dec. 31, 2012
Fort Worth, TX [Member]
sqft
|
Dec. 31, 2012
Columbia, SC [Member]
sqft
Option
|
Nov. 30, 2005
Clintonville, WI [Member]
|
Dec. 31, 2013
Clintonville, WI [Member]
sqft
|
Dec. 31, 2012
Ashburn, VA [Member]
sqft
Option
|
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| Business Acquisition [Line Items] | |||||||||||||||||||
| Acquisition/Expansion Date | Mar. 28, 2013 | May 09, 2013 | May 10, 2013 | Jul. 09, 2013 | Jul. 10, 2013 | Dec. 11, 2013 | Dec. 27, 2013 | May 30, 2012 | Jun. 05, 2012 | Jun. 21, 2012 | Jun. 28, 2012 | Sep. 26, 2012 | Nov. 08, 2012 | Nov. 21, 2012 | Apr. 11, 2013 | Jan. 25, 2012 | |||
| Square Footage | 1,085,129 | 972,000 | 29,257 | 170,000 | 92,275 | 320,000 | 115,200 | 99,797 | 156,200 | 352,860 | 89,000 | 32,000 | 31,293 | 60,000 | 208,234 | 146,483 | 102,400 | 52,130 | |
| Lease Term | 10 years | 10 years | 7 years | 7 years | 9 years | 8 years | 10 years | 11 years 6 months | 10 years 6 months | 11 years 6 months | 10 years | 10 years 6 months | 14 years | 10 years | 15 years | 15 years | |||
| Renewal Options | 1 | 2 | 2 | 3 | 2 | 2 | 1 | 3 | 2 | 2 | 2 | 3 | 2 | ||||||
| Renewal Options Period | 5 years | 5 years | 5 years | 3 years | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | ||||||
| Total Purchase/Expansion Price | $ 134,438 | $ 107,165 | $ 5,650 | $ 13,388 | $ 14,450 | $ 57,000 | $ 15,150 | $ 18,250 | $ 7,300 | $ 7,100 | $ 13,333 | $ 7,320 | $ 4,037 | $ 15,500 | $ 19,950 | $ 29,150 | $ 5,300 | $ 3,250 | $ 10,775 |
| Acquisition Expenses | 761 | 778 | 152 | 186 | 79 | 155 | 81 | 66 | 42 | 49 | 196 | 71 | 66 | 61 | 128 | 105 | 102 | ||
| Annualized Straight Line Rent | 12,399 | 9,646 | 490 | 1,173 | 1,475 | 4,641 | 1,478 | 1,497 | 684 | 684 | 1,361 | 656 | 342 | 1,372 | 1,628 | 2,614 | 961 | 989 | |
| Debt Issued | $ 71,795 | $ 53,676 | $ 3,700 | $ 8,200 | $ 35,300 | $ 8,900 | $ 11,315 | $ 4,380 | $ 5,000 | $ 4,750 | $ 10,758 | $ 14,168 | $ 19,000 | ||||||