Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Valuation Allowance for Deferred Tax Assets [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Valuation allowance, Beginning balance	[1]	$ 29,027	$ 44,999	$ 48,037
Valuation allowance, Additions/Charges to Expense	[1]	3,151	68
Valuation allowance, Deductions/ Other	[1]		(16,040)	(3,038)
Valuation allowance, Ending balance	[1]	32,178	29,027	44,999
Valuation Allowance for Credit Losses [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Valuation allowance, Beginning balance		42,147	31,964	24,836
Valuation allowance, Additions/Charges to Expense		44,349	47,561	43,470
Valuation allowance, Deductions/ Other		(47,241)	(37,378)	(36,342)
Valuation allowance, Ending balance		$ 39,255	$ 42,147	$ 31,964

[1] Amounts include both continuing and discontinued operations gross deferred tax balances.