INVESTMENT SECURITIES - Amortized Cost and Fair Values of AFS Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 561,008	$ 563,278
Gross Unrealized Gains	1,118	490
Gross Unrealized Losses	41,894	50,040
Allowance for Credit Losses	0
Fair Value	520,232	513,728
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	20,067	20,070
Gross Unrealized Gains	0	0
Gross Unrealized Losses	2,374	2,779
Allowance for Credit Losses	0
Fair Value	17,693	17,291
U.S. Government Agencies
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	4,754	4,907
Gross Unrealized Gains	218	228
Gross Unrealized Losses	0	0
Allowance for Credit Losses	0
Fair Value	4,972	5,135
States and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	225,309	225,825
Gross Unrealized Gains	36	19
Gross Unrealized Losses	21,743	28,430
Allowance for Credit Losses	0
Fair Value	203,602	197,414
GSE residential MBSs
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	63,314	63,778
Gross Unrealized Gains	0	0
Gross Unrealized Losses	3,943	4,376
Allowance for Credit Losses	0
Fair Value	59,371	59,402
GSE commercial MBSs
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,289
Gross Unrealized Gains	448
Gross Unrealized Losses	0
Allowance for Credit Losses	0
Fair Value	5,737
GSE residential CMOs
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	73,975	75,446
Gross Unrealized Gains	9	0
Gross Unrealized Losses	5,880	7,068
Allowance for Credit Losses	0
Fair Value	68,104	68,378
Non-agency CMOs
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	45,154	42,298
Gross Unrealized Gains	213	243
Gross Unrealized Losses	4,476	2,783
Allowance for Credit Losses	0
Fair Value	40,891	39,758
Asset-backed
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	122,776	130,577
Gross Unrealized Gains	194	0
Gross Unrealized Losses	3,478	4,604
Allowance for Credit Losses	0
Fair Value	119,492	125,973
Other
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	370	377
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Allowance for Credit Losses	0
Fair Value	$ 370	$ 377

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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-Section 50
-Paragraph 2
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Amount, before tax, of unrealized loss 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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-Publisher FASB
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