Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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FAIR VALUE - Impairment of Valuation Adjustments were Recorded for Assets Recognized at Fair Value (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Mortgage servicing rights	$ 45,114		$ 45,114		$ 44,710
Fair Value Measurements Nonrecurring [Member] \| Fair Value Inputs Level 2 [Member] \| Loans Held For Sale [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Carrying value, Related to losses recorded	8,961	$ 12,169	8,961	$ 12,169
Included in earnings	16	(177)	(57)	(177)
Fair Value Measurements Nonrecurring [Member] \| Fair Value Inputs Level 3 [Member] \| OREO [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Carrying value, Related to losses recorded	1,085	1,234	2,124	2,913
Included in earnings	(169)	(57)	(205)	(34)
Fair Value Measurements Nonrecurring [Member] \| Fair Value Inputs Level 3 [Member] \| Loans Receivable [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Carrying value, Related to losses recorded	16,655	4,207	24,933	27,531
Included in earnings	$ (2,495)	(227)	$ (9,234)	(2,978)
Fair Value Measurements Nonrecurring [Member] \| Fair Value Inputs Level 3 [Member] \| Property Plant And Equipment [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Carrying value, Related to losses recorded		0		1,242
Included in earnings		$ 0		$ (218)