SECURITIES (Fair Value to Amortized Cost Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	$ 456,676	$ 240,013
Gross Unrealized Gains	4,138	6,516
Gross Unrealized Losses	4,150	424
Estimated Fair Value	456,664	246,105
CRA investment fund	4,805	4,855
Other equity securities	207	207
Total Investment Securities, Amortized Cost	461,688	245,075
Total Investment Securities, Gross Unrealized Gains	4,138	6,516
Total Investment Securities, Gross Unrealized Losses	4,150	424
Total Investment Securities, Estimated Fair Value	461,676	251,167
Residential Mortgage-Backed Securities ("MBS")
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	103,173	33,248
Gross Unrealized Gains	1,302	1,735
Gross Unrealized Losses	1,791	30
Estimated Fair Value	102,684	34,953
Residential Collateralized Mortgage Obligations ("CMOs")
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	205,234	125,564
Gross Unrealized Gains	1,122	2,180
Gross Unrealized Losses	1,468	297
Estimated Fair Value	204,888	127,447
U.S. Agency
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	11,773
Gross Unrealized Gains	35
Gross Unrealized Losses	8
Estimated Fair Value	11,800
Residential CMOs
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	241	292
Gross Unrealized Gains	7	5
Gross Unrealized Losses	5	9
Estimated Fair Value	243	288
Student Loan Trust ABSs
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	57,244	37,141
Gross Unrealized Gains	623	386
Gross Unrealized Losses	155	88
Estimated Fair Value	57,712	37,439
Municipal bonds
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	62,571	42,268
Gross Unrealized Gains	1,020	2,210
Gross Unrealized Losses	718	0
Estimated Fair Value	62,873	44,478
U.S. government obligations
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	16,440	1,500
Gross Unrealized Gains	29	0
Gross Unrealized Losses	5	0
Estimated Fair Value	16,464	1,500
CRA investment fund
Debt and Equity Securities, FV-NI [Line Items]
CRA investment fund	4,805	4,855
Other equity securities
Debt and Equity Securities, FV-NI [Line Items]
Other equity securities	$ 207	$ 207

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Debt Securities, Trading, And Equity Securities, Accumulated Gross Unrealized Loss, before Tax

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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