Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue
Rental income	$ 65,673	$ 53,511	$ 186,621	$ 156,575
Tenant recoveries	12,366	8,911	32,952	26,807
Other income	105	173	244	327
Total revenue	78,144	62,595	219,817	183,709
Expenses
Property	15,401	11,258	42,312	35,672
General and administrative	8,380	7,603	25,090	26,373
Property acquisition costs	1,386	1,978	4,684	3,113
Depreciation and amortization	38,186	31,489	110,286	91,725
Loss on impairments	0	0	0	11,231
Loss on involuntary conversion	0	0	330	0
Other expenses	58	279	1,502	857
Total expenses	63,411	52,607	184,204	168,971
Other income (expense)
Interest income	2	3	10	8
Interest expense	(10,446)	(10,504)	(31,557)	(31,841)
Loss on extinguishment of debt	(13)	0	(15)	(1,973)
Gain on the sales of rental property, net	17,563	643	19,225	21,589
Total other income (expense)	7,106	(9,858)	(12,337)	(12,217)
Net income	21,839	130	23,276	2,521
Less: income (loss) attributable to noncontrolling interest after preferred stock dividends	828	(190)	673	(424)
Net income attributable to STAG Industrial, Inc.	21,011	320	22,603	2,945
Less: preferred stock dividends	2,449	4,001	7,345	10,914
Less: amount allocated to participating securities	84	95	250	289
Net income (loss) attributable to common stockholders	$ 18,478	$ (3,776)	$ 15,008	$ (8,258)
Weighted average common shares outstanding — basic	92,786,852	71,130,848	87,632,167	68,984,670
Weighted average common shares outstanding — diluted	93,434,974	71,130,848	88,238,140	68,984,670
Net income (loss) per share — basic and diluted
Net income (loss) per share attributable to common stockholders — basic	$ 0.20	$ (0.05)	$ 0.17	$ (0.12)
Net income (loss) per share attributable to common stockholders — diluted	$ 0.20	$ (0.05)	$ 0.17	$ (0.12)