Consolidated and Combined Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010 STAG Predecessor Group
Rental Property:
Land	$ 70,870	$ 25,086
Buildings	394,822	173,456
Tenant improvements	25,056	8,197
Building and land improvements	11,510	3,447
Less: accumulated depreciation	(30,004)	(19,261)
Total rental property, net	472,254	190,925
Cash and cash equivalents	16,498	1,567
Restricted cash	6,611	2,571
Tenant accounts receivable, net	5,592	3,725
Prepaid expenses and other assets	1,355	458
Deferred financing fees, net	2,634	118
Leasing commissions, net	954	133
Goodwill	4,923
Due from related parties	400
Deferred leasing intangibles, net	113,293	11,507
Total assets	624,514	211,004
Liabilities:
Mortgage notes payable	296,779	203,166
Notes payable to related party		4,384
Credit facility	0
Accounts payable, accrued expenses and other liabilities	6,044	2,680
Interest rate swaps	215	3,277
Tenant prepaid rent and security deposits	3,478	1,204
Dividends payable	6,160
Deferred leasing intangibles, net	1,929	976
Due to related parties		3,653
Total liabilities	314,605	219,340
Commitments and contingencies
Equity:
Predecessor's owners' deficit		(8,336)
Preferred stock, par value $0.01 per share, 10,000,000 shares authorized, 2,760,000 shares (liquidation preference of $25.00 per share) issued and outstanding at December 31, 2011	69,000
Common stock $0.01 par value, 100,000,000 shares authorized, 15,901,560 shares outstanding at December 31, 2011	159
Additional paid-in capital	179,919
Common stock dividends in excess of earnings	(18,385)
Total stockholders' and owner's deficit	230,693	(8,336)
Noncontrolling interest	79,216
Total equity (deficit)	309,909	(8,336)
Total liabilities and equity	$ 624,514	$ 211,004