MARKETABLE SECURITIES - Schedule of Amortized Cost and Fair Value of Securities Available for Sale and Held to Maturity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Available for sale:
Available-for-sale debt securities, amortized cost basis	$ 261,789	$ 215,380
Gross Unrealized Gains	913	1,215
Gross Unrealized Losses	20,040	20,400
Estimated Fair Value	242,662	196,195
Held to maturity:
Amortized Cost	347,992	404,208
Gross Unrealized Gains	316	923
Gross Unrealized Losses	31,985	30,608
Estimated Fair Value	316,323	374,523
U.S. government agencies
Held to maturity:
Amortized Cost	9,370	9,292
Gross Unrealized Gains	0	0
Gross Unrealized Losses	1,058	1,066
Estimated Fair Value	8,312	8,226
Corporate bonds
Available for sale:
Available-for-sale debt securities, amortized cost basis	29,842	29,882
Gross Unrealized Gains	0	0
Gross Unrealized Losses	2,473	3,077
Estimated Fair Value	27,369	26,805
Municipal securities
Available for sale:
Available-for-sale debt securities, amortized cost basis	2,320	2,322
Gross Unrealized Gains	90	182
Gross Unrealized Losses	0	0
Estimated Fair Value	2,410	2,504
Held to maturity:
Amortized Cost	158,734	168,175
Gross Unrealized Gains	316	923
Gross Unrealized Losses	7,459	6,123
Estimated Fair Value	151,591	162,975
Mortgage-backed securities
Available for sale:
Available-for-sale debt securities, amortized cost basis	212,663	164,419
Gross Unrealized Gains	821	1,014
Gross Unrealized Losses	15,888	15,621
Estimated Fair Value	197,596	149,812
Held to maturity:
Amortized Cost	114,702	119,872
Gross Unrealized Gains	0	0
Gross Unrealized Losses	15,665	15,105
Estimated Fair Value	99,037	104,767
Collateralized mortgage obligations
Available for sale:
Available-for-sale debt securities, amortized cost basis	16,964	18,757
Gross Unrealized Gains	2	19
Gross Unrealized Losses	1,679	1,702
Estimated Fair Value	15,287	17,074
Held to maturity:
Amortized Cost	35,521	37,437
Gross Unrealized Losses	7,238	7,276
Estimated Fair Value	28,283	30,161
Treasury securities
Held to maturity:
Amortized Cost	29,665	69,432
Gross Unrealized Losses	565	1,038
Estimated Fair Value	$ 29,100	$ 68,394

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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