SECURITIES - Summary of available for sale securities with unrealized losses (Details) $ in Thousands	Dec. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Unrealized Losses	$ (28)	$ (14,459)
Estimated Fair Value	13,253	172,191
Unrealized Losses	(30,727)	(21,777)
Estimated Fair Value	$ 258,290	$ 130,720
Number of Securities | security	99	105
Unrealized Losses	$ (30,755)	$ (36,236)
Estimated Fair Value	271,543	302,911
U.S. Treasury Note
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Unrealized Losses	0	(1,342)
Estimated Fair Value	0	28,670
Unrealized Losses	(1,875)	(1,836)
Estimated Fair Value	$ 35,060	$ 15,089
Number of Securities | security	4	5
Unrealized Losses	$ (1,875)	$ (3,178)
Estimated Fair Value	35,060	43,759
Corporate Bonds
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Unrealized Losses	(7)	(3,608)
Estimated Fair Value	8,260	58,509
Unrealized Losses	(5,674)	(1,823)
Estimated Fair Value	$ 61,156	$ 15,522
Number of Securities | security	30	31
Unrealized Losses	$ (5,681)	$ (5,431)
Estimated Fair Value	69,416	74,031
U.S. Government agency obligations
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Unrealized Losses	0	(5)
Estimated Fair Value	0	696
Unrealized Losses	(380)	(777)
Estimated Fair Value	$ 11,140	$ 10,770
Number of Securities | security	3	4
Unrealized Losses	$ (379)	$ (782)
Estimated Fair Value	11,140	11,466
Obligations issued by U.S. states and their political subdivisions
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Unrealized Losses	0	(65)
Estimated Fair Value	0	5,641
Unrealized Losses	(228)	(275)
Estimated Fair Value	6,195	$ 1,568
Number of Securities | security		8
Unrealized Losses	(228)	$ (340)
Estimated Fair Value	6,195	7,209
Residential one-to-four family
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Unrealized Losses	0	(8,273)
Estimated Fair Value	2	60,986
Unrealized Losses	(21,266)	(16,384)
Estimated Fair Value	$ 128,535	$ 79,189
Number of Securities | security	48	49
Unrealized Losses	$ (21,266)	$ (24,657)
Estimated Fair Value	128,537	140,175
Multifamily
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Unrealized Losses	0	(1,166)
Estimated Fair Value	0	17,689
Unrealized Losses	(999)	(151)
Estimated Fair Value	$ 11,524	$ 469
Number of Securities | security	6	5
Unrealized Losses	$ (999)	$ (1,317)
Estimated Fair Value	11,524	18,158
Asset-backed securities
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Unrealized Losses	(21)	0
Estimated Fair Value	4,991	0
Unrealized Losses	(305)	(531)
Estimated Fair Value	$ 4,680	$ 8,113
Number of Securities | security	3	3
Unrealized Losses	$ (327)	$ (531)
Estimated Fair Value	$ 9,671	$ 8,113