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Period of payment deferral of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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LOANS AND ALLOWANCE FOR CREDIT LOSSES (Types of Modifications) (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Payment default		$ 7,000,000		$ 7,000,000
Lend to borrowers	$ 0	$ 0	$ 0	$ 0
Real estate \| Commercial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Payment default	23,500,000		23,500,000
Real estate \| Multi-family
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Payment default	$ 13,900,000		$ 13,900,000
Combination Term Extension and Interest Rate \| Real estate \| Commercial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Term Extension	96 months		96 months
Combination Term Extension Payment Deferral and Debt Forgiveness \| Real estate \| Multi-family
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Term Extension	130 months		130 months
Deferral period	3 months		3 months
Change from Modification	$ 19,903,000		$ 19,903,000
Interest Rate Reduction \| Real estate \| Commercial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Weighted Average Interest Rate Reduction	2.80%		2.80%
Interest Rate Reduction \| Real estate \| Multi-family
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Weighted Average Interest Rate Reduction	0.00%	0.00%	0.00%	0.00%
Minimum \| Term Extension \| Real estate \| Multi-family
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Term Extension				6 months
Maximum \| Term Extension \| Real estate \| Multi-family
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Term Extension				12 months