LendingClub Corporation – Parent Company Only Financial Statements - Statement of Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
LendingClub net income (loss)	$ 18,580	$ (187,538)	$ (30,745)
LendingClub other comprehensive income (loss), net of tax	5,562	2,049	(722)
LendingClub comprehensive income (loss)	24,142	$ (185,489)	(31,467)
LendingClub
Segment Reporting Information [Line Items]
LendingClub net income (loss)	71,628		$ (30,745)
Net unrealized gain on securities available for sale, net of tax	9,153
Equity in other comprehensive loss of subsidiary	(2,619)
LendingClub other comprehensive income (loss), net of tax	6,534
LendingClub comprehensive income (loss)	$ 78,162