|
Real Estate and Intangible Assets (Details Textual) (USD $)
|
12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 12 Months Ended | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2012
Property
|
Dec. 31, 2011
Property
|
Dec. 31, 2010
Property
|
Dec. 31, 2012
Ashburn, VA [Member]
|
Dec. 31, 2012
Ottumwa, IA [Member]
|
Dec. 31, 2012
New Albany, OH [Member]
|
Dec. 31, 2012
Columbus, GA [Member]
|
Dec. 31, 2012
Jupiter, FL [Member]
|
Dec. 31, 2012
Columbia, SC [Member]
|
Nov. 30, 2012
Big Flats New York [Member]
|
Dec. 31, 2012
Big Flats New York [Member]
|
Nov. 08, 2012
Big Flats New York [Member]
|
Feb. 29, 2012
San Antonio Texas [Member]
Lease
|
Feb. 14, 2012
San Antonio Texas [Member]
|
Feb. 29, 2012
Roseville Minnesota [Member]
Lease
|
Feb. 27, 2012
Roseville Minnesota [Member]
|
Jun. 30, 2012
Hialeah Florida [Member]
|
Jun. 29, 2012
Hialeah Florida [Member]
|
Aug. 31, 2012
Wichita Kansas [Member]
|
Aug. 07, 2012
Wichita Kansas [Member]
|
Sep. 30, 2012
South Hadley Massachusetts [Member]
|
Jun. 30, 2012
South Hadley Massachusetts [Member]
|
Sep. 30, 2012
Mason Ohio [Member]
|
Sep. 11, 2012
Mason Ohio [Member]
|
Sep. 30, 2012
Arlington Texas [Member]
|
Oct. 31, 2012
Concord Township Ohio [Member]
|
Oct. 05, 2012
Concord Township Ohio [Member]
|
Dec. 31, 2012
Eight properties acquired [Member]
|
||||
| Real Estate and Intangible Assets (Textual) [Abstract] | |||||||||||||||||||||||||||||||
| Period under each renewal Options | 5 years | 5 years | 5 years | 5 years | 5 years | 5 years | |||||||||||||||||||||||||
| Number of properties acquired | 8 | 7 | 1 | ||||||||||||||||||||||||||||
| Acquisition-related costs excluded in pro-forma earnings | $ 949,000 | $ 700,000 | $ 412,000 | $ 800,000 | |||||||||||||||||||||||||||
| Amount failed to pay for property annualized taxes | 8,900,000 | ||||||||||||||||||||||||||||||
| Option to extend lease term | 10 years | 7 years | 5 years | 5 years | 5 years | 1 year | 7 years | 5 years | 6 years | ||||||||||||||||||||||
| Period for lease expiration | 2013-09 | 2014-02 | 2012-12 | 2022-03 | 2012-09 | 2013-02 | 2013-01 | 2013-04 | 2028-03 | ||||||||||||||||||||||
| Reduction in rent payable | 2 years | ||||||||||||||||||||||||||||||
| Number of available options to extend lease for additional periods | 2 | 1 | |||||||||||||||||||||||||||||
| Option to extend lease term one | 5 years | ||||||||||||||||||||||||||||||
| Option to extend lease term two | 5 years | ||||||||||||||||||||||||||||||
| Amount of annualized straight line rents over the life of the lease | 300,000 | ||||||||||||||||||||||||||||||
| Future annualized rents | 1,200,000 | ||||||||||||||||||||||||||||||
| Tenant allowance | 600,000 | 400,000 | 300,000 | 500,000 | 200,000 | ||||||||||||||||||||||||||
| Capital lease rent expense | 500,000 | 800,000 | 2,900,000 | 1,100,000 | 800,000 | 600,000 | [1] | 1,700,000 | |||||||||||||||||||||||
| Period of tenant allowance payable | 2 years | 2 years | |||||||||||||||||||||||||||||
| Leasing commission paid | $ 1,738,000 | $ 6,000 | $ 7,000 | $ 200,000 | $ 300,000 | $ 800,000 | $ 200,000 | $ 300,000 | |||||||||||||||||||||||
| Option to extend lease term | 5 years | ||||||||||||||||||||||||||||||
| New lease covers approximate percentage | 33.33% | ||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||