Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
LendingClub net loss	$ (78,471)	$ (10,661)	$ (126,558)	$ (30,596)
Other comprehensive income (loss), before tax:
Net unrealized gain (loss) on securities available for sale	13,345	1,543	(7,336)	1,611
Other comprehensive income (loss), before tax	13,345	1,543	(7,336)	1,611
Income tax effect	0	438	(319)	438
Other comprehensive income (loss), net of tax	13,345	1,105	(7,017)	1,173
Less: Other comprehensive income attributable to noncontrolling interests	0	17	0	17
LendingClub other comprehensive income (loss), net of tax	13,345	1,088	(7,017)	1,156
LendingClub comprehensive loss	(65,126)	(9,573)	(133,575)	(29,440)
Comprehensive income attributable to noncontrolling interests	0	17	0	17
Total comprehensive loss	$ (65,126)	$ (9,556)	$ (133,575)	$ (29,423)