Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue:
Interest income	$ 50,248	$ 32,864	$ 98,947	$ 59,212
Gain on sales of loans	11,710	1,584	18,389	2,927
Other revenue	1,354	1,054	2,434	1,925
Gross revenue	63,312	35,502	119,770	64,064
Cost of revenue:
Provision for loan losses	15,526	13,073	38,626	29,652
Funding costs	4,771	3,801	9,816	8,441
Total cost of revenue	20,297	16,874	48,442	38,093
Net revenue	43,015	18,628	71,328	25,971
Operating expense:
Sales and marketing	14,981	7,113	27,656	13,474
Technology and analytics	10,206	3,799	18,794	6,708
Processing and servicing	3,015	2,084	5,717	3,693
General and administrative	9,991	4,434	19,576	7,826
Total operating expense	38,193	17,430	71,743	31,701
Income (loss) from operations	4,822	1,198	(415)	(5,730)
Other expense:
Interest expense	(74)	(62)	(180)	(219)
Warrant liability fair value adjustment	0	(2,190)	0	(8,822)
Total other expense	(74)	(2,252)	(180)	(9,041)
Income (loss) before provision for income taxes	4,748	(1,054)	(595)	(14,771)
Provision for income taxes	0	0	0	0
Net income (loss)	4,748	(1,054)	(595)	(14,771)
Accretion of dividends on redeemable convertible preferred stock	0	(3,596)	0	(6,200)
Net loss attributable to noncontrolling interest	232	0	232	0
Net income (loss) attributable to On Deck Capital, Inc. common stockholders	$ 4,980	$ (4,650)	$ (363)	$ (20,971)
Net income (loss) per share attributable to On Deck Capital, Inc. common stockholders:
Basic (in dollars per share)	$ 0.07	$ (0.88)	$ (0.01)	$ (4.21)
Diluted (in dollars per share)	$ 0.07	$ (0.88)	$ (0.01)	$ (4.21)
Weighted-average common shares outstanding:
Basic (shares)	69,479,737	5,262,317	69,366,278	4,983,554
Diluted (shares)	75,680,290	5,262,317	69,366,278	4,983,554