Other Liabilities (Detail) - USD ($) $ in Thousands		Jun. 30, 2021	Dec. 31, 2020
Offsetting Liabilities [Line Items]
Operating lease liabilities		$ 99,492	$ 0
Accrued expenses		46,781	14,382
Payable to investors		30,475	0
Accrued compensation		24,839	28,805
Contingent liabilities		21,291	21,592
Accounts payable		7,892	0
Other		55,101	41,250
Total other liabilities	[1]	$ 285,871	244,551
LendingClub Historical Presentation
Offsetting Liabilities [Line Items]
Operating lease liabilities			94,538
Payable to investors			40,286
Accounts payable			3,698
Total other liabilities			$ 0

[1] Includes amounts in consolidated variable interest entities (VIEs) presented separately in the table below.