SECURITIES AVAILABLE FOR SALE - Summary of Securities Available for Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Investment Holdings [Line Items]
Amortized Cost	$ 633,358	$ 615,696
Gross Unrealized Gains	9,280	7,415
Gross Unrealized Losses	(85,886)	(4,835)
Fair Value	556,752	618,276
US Government-sponsored enterprises
Investment Holdings [Line Items]
Amortized Cost	252,369	237,283
Gross Unrealized Gains	4	2,289
Gross Unrealized Losses	(36,349)	(3,455)
Fair Value	216,024	236,117
US Government agency
Investment Holdings [Line Items]
Amortized Cost	93,643	79,143
Gross Unrealized Gains	11	1,016
Gross Unrealized Losses	(10,128)	(522)
Fair Value	83,526	79,637
Private label
Investment Holdings [Line Items]
Amortized Cost	72,484	68,691
Gross Unrealized Gains	34	142
Gross Unrealized Losses	(5,749)	(138)
Fair Value	66,769	68,695
Obligations of states and political subdivisions thereof
Investment Holdings [Line Items]
Amortized Cost	123,350	140,585
Gross Unrealized Gains	9,205	1,489
Gross Unrealized Losses	(27,903)	(298)
Fair Value	104,652	141,776
Corporate bonds
Investment Holdings [Line Items]
Amortized Cost	91,512	89,994
Gross Unrealized Gains	26	2,479
Gross Unrealized Losses	(5,757)	(422)
Fair Value	$ 85,781	$ 92,051

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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Amortized cost of 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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