ALLOWANCE FOR CREDIT LOSSES (Schedule of Balances by Segment) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans Individually Evaluated for Impairment	$ 70,184		$ 16,732
Ending ACL Attributable to Loans Individually Evaluated for Impairment	8,056		1,507
Total Loans Collectively Evaluated for Impairment	5,412,976		5,264,849
Ending ACL Attributable to Loans Collectively Evaluated for Impairment	60,536		59,322
Total Loans	5,483,160		5,281,581
Total Ending ACL	68,592	$ 62,704	60,829	$ 59,683	$ 59,022
Lease Financing [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans Individually Evaluated for Impairment	10,246		1,765
Ending ACL Attributable to Loans Individually Evaluated for Impairment	1,071
Total Loans Collectively Evaluated for Impairment	252,438		286,801
Ending ACL Attributable to Loans Collectively Evaluated for Impairment	1,896		2,314
Total Loans	262,684		288,566
Total Ending ACL	2,967		2,314
Residential Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans	38,084
Commercial Real Estate Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Ending ACL	32,134	27,433	25,530	21,838	20,998
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans Individually Evaluated for Impairment	30,810		3,385
Ending ACL Attributable to Loans Individually Evaluated for Impairment	4,843		299
Total Loans Collectively Evaluated for Impairment	1,303,001		1,191,277
Ending ACL Attributable to Loans Collectively Evaluated for Impairment	27,291		25,231
Total Loans	1,333,811		1,194,662
Total Ending ACL	32,134		25,530
Consumer and Other [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans Collectively Evaluated for Impairment	60,048		42,319
Ending ACL Attributable to Loans Collectively Evaluated for Impairment	753		537
Total Loans	60,048		42,319
Total Ending ACL	753	695	537	496	589
Junior Lien [Member] | Residential Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans Collectively Evaluated for Impairment	38,084		38,265
Ending ACL Attributable to Loans Collectively Evaluated for Impairment	154		154
Total Loans	38,084		38,265
Total Ending ACL	154	151	154	154	151
Primary Residential Mortgages [Member] | Residential Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans Individually Evaluated for Impairment	357		374
Total Loans Collectively Evaluated for Impairment	585,396		527,410
Ending ACL Attributable to Loans Collectively Evaluated for Impairment	3,263		2,894
Total Loans	585,753		527,784
Total Ending ACL	3,263	3,148	2,894	2,279	2,154
Multifamily Property [Member] | Residential Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans Individually Evaluated for Impairment	18,868
Ending ACL Attributable to Loans Individually Evaluated for Impairment	2,142
Total Loans Collectively Evaluated for Impairment	1,852,985		1,863,915
Ending ACL Attributable to Loans Collectively Evaluated for Impairment	8,440		8,849
Total Loans	1,871,853		1,863,915
Total Ending ACL	10,582	10,537	8,849	15,317	15,790
Owner Occupied Property [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans Collectively Evaluated for Impairment	259,304		272,009
Ending ACL Attributable to Loans Collectively Evaluated for Impairment	4,662		4,835
Total Loans	259,304		272,009
Total Ending ACL	4,662	4,708	4,835	4,907	4,660
Investment Property [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans Individually Evaluated for Impairment	9,903		11,208
Ending ACL Attributable to Loans Individually Evaluated for Impairment			1,208
Total Loans Collectively Evaluated for Impairment	1,040,392		1,032,917
Ending ACL Attributable to Loans Collectively Evaluated for Impairment	13,525		14,272
Total Loans	1,050,295		1,044,125
Total Ending ACL	13,525	13,548	15,480	11,326	10,969
Construction [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans Collectively Evaluated for Impairment	21,328		9,936
Ending ACL Attributable to Loans Collectively Evaluated for Impairment	552		236
Total Loans	21,328		9,936
Total Ending ACL	552		236
Construction [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Ending ACL	552	$ 421	236	$ 128	$ 359
Construction [Member] | Commercial Portfolio Segment [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Loans	$ 21,328		$ 9,936