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LOANS - Major classifications (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
After to adoption of ASC 326
Total loans	$ 1,966,452		$ 1,966,452			$ 1,985,524
Allowance for credit losses	(21,571)	$ (23,644)	(21,571)	$ (23,644)	$ (22,925)	(22,779)	$ (19,873)	$ (19,658)
Loans, net	1,944,881		1,944,881			1,962,745
Servicing asset	373,600		373,600			338,800
Loans sold	46,000	35,300	92,700	62,000
Net gain on sale of loans	2,300	2,600	4,650	5,092
Total	3,534	86	4,005	176
Residential real estate
After to adoption of ASC 326
Total loans	738,779		738,779			729,254
Allowance for credit losses	(6,692)	(5,996)	(6,692)	(5,996)	(6,551)	(6,236)	(5,277)	(5,001)
Loans held for sale	5,600		5,600			1,400
Multi-family
After to adoption of ASC 326
Total loans	539,573		539,573			550,570
Allowance for credit losses	(3,918)	(4,266)	(3,918)	(4,266)	(4,999)	(5,284)	(4,217)	(4,671)
Total			33
Commercial real estate
After to adoption of ASC 326
Total loans	530,567		530,567			546,257
Allowance for credit losses	(5,402)	(9,042)	(5,402)	(9,042)	(5,379)	(5,605)	(8,579)	(8,390)
Total			305	30
Commercial and industrial
After to adoption of ASC 326
Total loans	148,907		148,907			145,457
Allowance for credit losses	(5,386)	(4,177)	(5,386)	(4,177)	(5,860)	(5,447)	(1,643)	(1,419)
Total	3,534	86	3,667	146
Construction and land development
After to adoption of ASC 326
Total loans	8,208		8,208			13,483
Allowance for credit losses	(151)	(98)	(151)	(98)	(113)	(180)	(97)	(122)
Consumer
After to adoption of ASC 326
Total loans	418		418			503
Allowance for credit losses	(22)	$ (65)	(22)	$ (65)	$ (23)	(27)	$ (60)	$ (55)
SBA loans
After to adoption of ASC 326
Loans held for sale	$ 5,000		$ 5,000			$ 11,000