Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
LendingClub net income (loss)	$ (6,530)	$ (36,486)	$ (61,828)	$ (113,700)
Other comprehensive income (loss), before tax:
Net unrealized gain on securities available for sale	4	111	289	1,710
Other comprehensive income (loss), before tax	4	111	289	1,710
Income tax effect	0	46	114	696
Other comprehensive income (loss), net of tax	4	65	175	1,014
Less: Other comprehensive income (loss) attributable to noncontrolling interests	(3)	0	(3)	0
LendingClub other comprehensive income (loss), net of tax	7	65	178	1,014
LendingClub comprehensive income (loss)	(6,523)	(36,421)	(61,650)	(112,686)
Comprehensive income (loss) attributable to noncontrolling interests	(3)	0	(3)	0
Total comprehensive income (loss)	$ (6,526)	$ (36,421)	$ (61,653)	$ (112,686)