Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss (NOL) carryforwards	$ 144,510	$ 163,381
Allowance for loan and lease losses	41,170	0
Stock-based compensation	11,721	10,218
Reserves and accruals	13,051	15,652
Operating lease liabilities	25,807	28,032
Goodwill	14,737	17,375
Intangible assets	0	3,151
Tax credit carryforwards	19,339	18,215
Other	3,492	868
Total deferred tax assets	273,827	256,892
Valuation allowance	(223,367)	(211,228)
Deferred tax assets – net of valuation allowance	50,460	45,664
Deferred tax liabilities:
Internally developed software	(17,431)	(16,956)
Servicing fees	(2,452)	(2,780)
Operating lease assets	(21,614)	(22,048)
Leases	(6,961)	0
Intangible assets	(440)	0
Change in tax method	0	(1,769)
Other	(1,562)	(2,111)
Total deferred tax liabilities	(50,460)	(45,664)
Deferred tax asset (liability) – net	$ 0	$ 0