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LOANS - Recorded investment in loans on nonaccrual status and loans past due over 89 days still accruing (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Amortized cost basis of loans on nonaccrual status and loans past due over 89 days still accruing
Nonaccrual With No Allowance for Credit Loss	$ 16,528		$ 12,104
Nonaccrual	24,586		21,604
Interest income on nonaccrual loans	604	$ 27
Residential real estate
Amortized cost basis of loans on nonaccrual status and loans past due over 89 days still accruing
Nonaccrual With No Allowance for Credit Loss	4,502		4,524
Nonaccrual	4,502		4,524
Multifamily
Amortized cost basis of loans on nonaccrual status and loans past due over 89 days still accruing
Nonaccrual	446		449
Commercial real estate
Amortized cost basis of loans on nonaccrual status and loans past due over 89 days still accruing
Nonaccrual With No Allowance for Credit Loss	10,560		6,053
Nonaccrual	10,839		7,261
Commercial and industrial
Amortized cost basis of loans on nonaccrual status and loans past due over 89 days still accruing
Nonaccrual With No Allowance for Credit Loss	1,466		1,527
Nonaccrual	$ 8,799		$ 9,370

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