Gladstone Commercial Corporation Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Business Acquisition
Annualized Straight Line Rent	$ 739	$ 715
Ashburn, VA [Member]
Business Acquisition
Acquisition Date	Jan. 25, 2012
Square Footage	52,130
Lease Term	15 years
Renewal Options	2 years
Total Purchase Price	10,775
Acquisition Expenses	102
Annualized Straight Line Rent	989
Ottumwa, IA [Member]
Business Acquisition
Acquisition Date	May 30, 2012
Square Footage	352,860
Lease Term	11 years 6 months
Renewal Options	3 years
Total Purchase Price	7,100
Acquisition Expenses	47
Annualized Straight Line Rent	684
Debt Issued	5,000
New Albany, OH [Member]
Business Acquisition
Acquisition Date	Jun. 05, 2012
Square Footage	89,000
Lease Term	10 years 6 months
Renewal Options	2 years
Total Purchase Price	13,333
Acquisition Expenses	188
Annualized Straight Line Rent	1,361
Columbus, GA [Member]
Business Acquisition
Acquisition Date	Jun. 21, 2012
Square Footage	32,000
Lease Term	11 years 6 months
Renewal Options	2 years
Total Purchase Price	7,320
Acquisition Expenses	126
Annualized Straight Line Rent	656
Debt Issued	4,750
Columbus, OH [Member]
Business Acquisition
Acquisition Date	Jun. 28, 2012
Square Footage	31,293
Lease Term	10 years
Total Purchase Price	4,037
Acquisition Expenses	59
Annualized Straight Line Rent	$ 342