Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
LendingClub net income (loss)	$ 18,580	$ (187,538)	$ (30,745)
Other comprehensive income (loss), before tax:
Net unrealized gain (loss) on securities available for sale	5,562	2,044	(526)
Other comprehensive income (loss), before tax	5,562	2,044	(526)
Income tax effect	0	(5)	216
Other comprehensive income (loss), net of tax	5,562	2,049	(742)
Less: Other comprehensive loss attributable to noncontrolling interests	0	0	(20)
LendingClub other comprehensive income (loss), net of tax	5,562	2,049	(722)
LendingClub comprehensive income (loss)	24,142	(185,489)	(31,467)
Comprehensive loss attributable to noncontrolling interests	0	0	(20)
Total comprehensive income (loss)	$ 24,142	$ (185,489)	$ (31,487)