INVESTMENT SECURITIES (Fair Value to Amortized Cost Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	$ 533,182	$ 500,478
Gross Unrealized Gains	423	3,390
Gross Unrealized Losses	26,078	6,029
Estimated Fair Value	507,527	497,839
CRA investment fund	4,562	4,772
Other equity securities	207	207
Total Investment Securities, Amortized Cost	537,951	505,457
Total Investment Securities, Gross Unrealized Gains	423	3,390
Total Investment Securities, Gross Unrealized Losses	26,078	6,029
Total Investment Securities, Estimated Fair Value	512,296	502,818
Residential Mortgage Backed Securities ("MBS")
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	127,828	121,125
Gross Unrealized Gains	172	1,057
Gross Unrealized Losses	6,480	2,266
Estimated Fair Value	121,520	119,916
Residential Collateralized Mortgage Obligations ("CMOs")
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	197,548	198,780
Gross Unrealized Gains	85	710
Gross Unrealized Losses	7,834	2,367
Estimated Fair Value	189,799	197,123
U.S. Agency
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	14,488	14,433
Gross Unrealized Gains	0	11
Gross Unrealized Losses	1,078	140
Estimated Fair Value	13,410	14,304
Residential CMOs
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	199	220
Gross Unrealized Gains	3	5
Gross Unrealized Losses	3	4
Estimated Fair Value	199	221
Student Loan Trust ABSs
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	54,425	56,422
Gross Unrealized Gains	147	438
Gross Unrealized Losses	1,103	286
Estimated Fair Value	53,469	56,574
Municipal bonds
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	98,889	92,556
Gross Unrealized Gains	16	1,169
Gross Unrealized Losses	8,078	884
Estimated Fair Value	90,827	92,841
Corporate bonds
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	3,000
Gross Unrealized Gains	0
Gross Unrealized Losses	40
Estimated Fair Value	2,960
U.S. government obligations
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	36,805	16,942
Gross Unrealized Gains	0	0
Gross Unrealized Losses	1,462	82
Estimated Fair Value	35,343	16,860
CRA investment fund
Debt and Equity Securities, FV-NI [Line Items]
CRA investment fund	4,562	4,772
Other equity securities
Debt and Equity Securities, FV-NI [Line Items]
Other equity securities	$ 207	$ 207

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