Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Net operating loss carryforwards	$ 118,090	$ 128,193
Stock-based compensation	11,480	11,434
Reserves and accruals	23,008	25,373
Operating lease liabilities	33,824	0
Goodwill	19,818	21,580
Intangible assets	3,074	2,782
Tax credit carryforwards	16,679	14,363
Other	498	908
Total deferred tax assets	226,471	204,633
Valuation allowance	(169,526)	(169,291)
Deferred tax assets – net of valuation allowance	56,945	35,342
Deferred tax liabilities:
Internally developed software	(20,225)	(21,813)
Servicing fees	(4,389)	0
Depreciation and amortization	0	(4,137)
Operating lease assets	(28,224)	0
Change in tax method	(3,988)	(7,349)
Other	(119)	(2,043)
Total deferred tax liabilities	(56,945)	(35,342)
Deferred tax asset (liability) – net	$ 0	$ 0