REGULATORY CAPITAL (Schedule of Regulatory Capital Amounts and Ratios) (Details) $ in Thousands	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
The Bank [Member]
Total Capital
Total Capital (to risk-weighted assets)	$ 741,719	$ 672,614
Total Capital (to risk-weighted assets) ratio	0.1467	0.1405
Minimum Capital required to be well-capitalized	$ 505,760	$ 478,628
Minimum Capital required to be well-capitalized, ratio	0.1000	0.1000
Minimum amount of capital for adequacy purposes	$ 404,608	$ 382,902
Minimum amount of capital for adequacy purposes, ratio	0.0800	0.0800
Tier I Capital (to risk-weighted assets)
Tier 1 Capital (to risk-weighted assets)	$ 680,137	$ 612,762
Tier 1 Capital (to risk-weighted assets) ratio	0.1345	0.1280
Minimum Tier 1 Capital required to be well-capitalized	$ 404,608	$ 382,902
Minimum Tier 1 Capital required to be well-capitalized, ratio	0.0800	0.0800
Minimum amount of Tier 1 Capital for adequacy purposes	$ 303,456	$ 287,177
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	0.0600	0.0600
Common equity tier I
Common equity tier 1 (to risk-weighted assets)	$ 680,119	$ 612,738
Common equity tier I (to risk-weighted assets) ratio	0.1345	0.1280
Minimum Common equity tier I required to be well-capitalized	$ 328,744	$ 311,108
Minimum common equity tier I required to be well-capitalized, ratio	6.50%	6.50%
Minimum amount of common equity tier I for adequacy purposes	$ 227,592	$ 215,382
Minimum amount of common equity tier I for adequacy purposes, ratio	4.50%	4.50%
Tier I Leverage Capital (to average assets)
Tier 1 Capital(to average assets)	$ 680,137	$ 612,762
Tier 1 Capital (to average assets) ratio	0.1085	0.0999
Minimum Tier 1 Capital required to be well-capitalized	$ 313,328	$ 306,538
Minimum Tier 1 Capital required to be well-capitalized, ratio	0.0500	0.0500
Minimum amount of Tier 1 Capital for adequacy purposes	$ 250,662	$ 245,231
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	0.0400	0.0400
The Bank [Member] \| Conservation Buffer [Member]
Total Capital
Minimum amount of capital for adequacy purposes	$ 531,048	$ 502,559
Minimum amount of capital for adequacy purposes, ratio	0.1050	0.1050
Tier I Capital (to risk-weighted assets)
Minimum amount of Tier 1 Capital for adequacy purposes	$ 429,896	$ 406,834
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	0.0850	0.0850
Common equity tier I
Minimum amount of common equity tier I for adequacy purposes	$ 354,032	$ 335,039
Minimum amount of common equity tier I for adequacy purposes, ratio	7.00%	7.00%
Tier I Leverage Capital (to average assets)
Minimum amount of Tier 1 Capital for adequacy purposes	$ 250,662	$ 245,231
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	0.0400	0.0400
Parent Company [Member]
Total Capital
Total Capital (to risk-weighted assets)	$ 745,197	$ 700,790
Total Capital (to risk-weighted assets) ratio	0.1473	0.1464
Minimum amount of capital for adequacy purposes	$ 404,830	$ 382,944
Minimum amount of capital for adequacy purposes, ratio	0.0800	0.0800
Tier I Capital (to risk-weighted assets)
Tier 1 Capital (to risk-weighted assets)	$ 557,627	$ 508,231
Tier 1 Capital (to risk-weighted assets) ratio	0.1102	0.1062
Minimum amount of Tier 1 Capital for adequacy purposes	$ 303,623	$ 287,208
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	0.0600	0.0600
Common equity tier I
Common equity tier 1 (to risk-weighted assets)	$ 557,609	$ 508,207
Common equity tier I (to risk-weighted assets) ratio	0.1102	0.1062
Minimum amount of common equity tier I for adequacy purposes	$ 227,717	$ 215,406
Minimum amount of common equity tier I for adequacy purposes, ratio	4.50%	4.50%
Tier I Leverage Capital (to average assets)
Tier 1 Capital(to average assets)	$ 557,627	$ 508,231
Tier 1 Capital (to average assets) ratio	0.0890	0.0829
Minimum amount of Tier 1 Capital for adequacy purposes	$ 250,746	$ 245,242
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	0.0400	0.0400
Parent Company [Member] \| Conservation Buffer [Member]
Total Capital
Minimum amount of capital for adequacy purposes	$ 531,340	$ 502,614
Minimum amount of capital for adequacy purposes, ratio	0.1050	0.1050
Tier I Capital (to risk-weighted assets)
Minimum amount of Tier 1 Capital for adequacy purposes	$ 430,132	$ 406,878
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	0.0850	0.0850
Common equity tier I
Minimum amount of common equity tier I for adequacy purposes	$ 354,227	$ 335,076
Minimum amount of common equity tier I for adequacy purposes, ratio	7.00%	7.00%
Tier I Leverage Capital (to average assets)
Minimum amount of Tier 1 Capital for adequacy purposes	$ 250,746	$ 245,242
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	0.0400	0.0400

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