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LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES - Schedule of Information Pertaining to Non-accrual Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Allowance for loan losses
Nonaccrual Amortized Cost	$ 31,114	$ 35,326
Nonaccrual With No Related Allowance	21,404	19,174
Past Due 90 Days or Greater and Accruing	7,038	3,271
Interest Income Recognized on Nonaccrual	0	0
Construction and commercial multifamily | Construction
Allowance for loan losses
Nonaccrual Amortized Cost	0	0
Nonaccrual With No Related Allowance	0	0
Past Due 90 Days or Greater and Accruing	0	0
Interest Income Recognized on Nonaccrual	0	0
Construction and commercial multifamily | Commercial multifamily
Allowance for loan losses
Nonaccrual Amortized Cost	0	187
Nonaccrual With No Related Allowance	0	187
Past Due 90 Days or Greater and Accruing	0	0
Interest Income Recognized on Nonaccrual	0	0
Commercial real estate loans | Commercial real estate owner occupied
Allowance for loan losses
Nonaccrual Amortized Cost	2,202	4,221
Nonaccrual With No Related Allowance	1,411	2,413
Past Due 90 Days or Greater and Accruing	1,100	0
Interest Income Recognized on Nonaccrual	0	0
Commercial real estate loans | Commercial real estate non-owner occupied
Allowance for loan losses
Nonaccrual Amortized Cost	191	8,877
Nonaccrual With No Related Allowance	73	8,412
Past Due 90 Days or Greater and Accruing	0	172
Interest Income Recognized on Nonaccrual	0	0
Commercial and industrial loans
Allowance for loan losses
Nonaccrual Amortized Cost	16,992	6,747
Nonaccrual With No Related Allowance	14,223	1,506
Past Due 90 Days or Greater and Accruing	1,666	89
Interest Income Recognized on Nonaccrual	0	0
Residential real estate | Residential real estate
Allowance for loan losses
Nonaccrual Amortized Cost	8,901	10,698
Nonaccrual With No Related Allowance	5,307	6,511
Past Due 90 Days or Greater and Accruing	2,823	2,566
Interest Income Recognized on Nonaccrual	0	0
Consumer loans | Home equity
Allowance for loan losses
Nonaccrual Amortized Cost	1,568	1,901
Nonaccrual With No Related Allowance	388	141
Past Due 90 Days or Greater and Accruing	551	257
Interest Income Recognized on Nonaccrual	0	0
Consumer loans | Consumer other
Allowance for loan losses
Nonaccrual Amortized Cost	1,260	2,695
Nonaccrual With No Related Allowance	2	4
Past Due 90 Days or Greater and Accruing	898	187
Interest Income Recognized on Nonaccrual	$ 0	$ 0

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Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Section 50
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-Topic 326
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