Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
LendingClub net loss	$ (22,804)	$ (6,530)	$ (114,846)	$ (61,828)
Other comprehensive income (loss), before tax:
Net unrealized gain (loss) on securities available for sale	677	4	286	289
Other comprehensive income (loss), before tax	677	4	286	289
Income tax effect	70	0	50	114
Other comprehensive income (loss), net of tax	607	4	236	175
Less: Other comprehensive income (loss) attributable to noncontrolling interests	42	(3)	59	(3)
LendingClub other comprehensive income (loss), net of tax	565	7	177	178
LendingClub comprehensive income (loss)	(22,239)	(6,523)	(114,669)	(61,650)
Comprehensive income (loss) attributable to noncontrolling interests	42	(3)	59	(3)
Total comprehensive income (loss)	$ (22,197)	$ (6,526)	$ (114,610)	$ (61,653)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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