Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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ALLOWANCE FOR LOAN LOSSES - Reconciliation of the allowance for loan losses (Details) - USD ($) $ in Thousands	3 Months Ended					12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Reconciliation of the allowance for loan losses
Beginning balance						$ 14,523
Provision for (recapture of) loan losses						750
Charge-offs						(17)
Recoveries						53
Ending balance	$ 15,309	$ 14,523				15,309	$ 14,523
Reconciliation of the allowance for loan losses
Beginning balance					$ 19,178	14,523	19,178	$ 12,624
Provision for (recapture of) loan losses	750	(650)	$ (1,275)	$ (1,100)	(1,600)		(4,625)	6,300
Charge-offs							(86)	(124)
Recoveries							56	378
Ending balance		14,523					14,523	19,178
Commercial Real Estate Portfolio Segment \| Commercial Business
Reconciliation of the allowance for loan losses
Beginning balance						2,422
Provision for (recapture of) loan losses						701
Ending balance	3,123	2,422				3,123	2,422
Reconciliation of the allowance for loan losses
Beginning balance					2,416	2,422	2,416	2,008
Provision for (recapture of) loan losses							75	398
Charge-offs							(69)
Recoveries								10
Ending balance		2,422					2,422	2,416
Commercial Real Estate Portfolio Segment \| Commercial Real Estate
Reconciliation of the allowance for loan losses
Beginning balance						9,037
Provision for (recapture of) loan losses						(143)
Ending balance	8,894	9,037				8,894	9,037
Reconciliation of the allowance for loan losses
Beginning balance					14,089	9,037	14,089	6,421
Provision for (recapture of) loan losses							(5,052)	7,336
Recoveries								332
Ending balance		9,037					9,037	14,089
Commercial Real Estate Portfolio Segment \| Land
Reconciliation of the allowance for loan losses
Beginning balance						168
Provision for (recapture of) loan losses						(75)
Ending balance	93	168				93	168
Reconciliation of the allowance for loan losses
Beginning balance					233	168	233	230
Provision for (recapture of) loan losses							(65)	3
Ending balance		168					168	233
Commercial Real Estate Portfolio Segment \| Multi-Family
Reconciliation of the allowance for loan losses
Beginning balance						845
Provision for (recapture of) loan losses						(47)
Ending balance	798	845				798	845
Reconciliation of the allowance for loan losses
Beginning balance					638	845	638	854
Provision for (recapture of) loan losses							207	(216)
Ending balance		845					845	638
Commercial Real Estate Portfolio Segment \| Real Estate Construction
Reconciliation of the allowance for loan losses
Beginning balance						393
Provision for (recapture of) loan losses						371
Ending balance	764	393				764	393
Reconciliation of the allowance for loan losses
Beginning balance					294	393	294	1,149
Provision for (recapture of) loan losses							99	(855)
Ending balance		393					393	294
Consumer
Reconciliation of the allowance for loan losses
Beginning balance						943
Provision for (recapture of) loan losses						148
Charge-offs						(17)
Recoveries						53
Ending balance	1,127	943				1,127	943
Reconciliation of the allowance for loan losses
Beginning balance					852	943	852	1,363
Provision for (recapture of) loan losses							52	(423)
Charge-offs							(17)	(124)
Recoveries							56	36
Ending balance		943					943	852
Unallocated
Reconciliation of the allowance for loan losses
Beginning balance						715
Provision for (recapture of) loan losses						(205)
Ending balance	$ 510	715				510	715
Reconciliation of the allowance for loan losses
Beginning balance					$ 656	$ 715	656	599
Provision for (recapture of) loan losses							59	57
Ending balance		$ 715					$ 715	$ 656