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LONG-TERM DEBT (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended
LONG-TERM DEBT (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Sep. 30, 2026	Jun. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Oct. 01, 2026	Jul. 01, 2026	Apr. 01, 2026	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Interest expense		$ 1,400	$ 2,100	$ 1,200	$ 4,800	$ 3,600
Amortization of debt issuance cost		0	$ 0	$ 96	89	$ 286
4.00% Fixed To Floating Rate Subordinated Debentures due 2031
Debt Instrument [Line Items]
Aggregate principal amount		80,000			80,000
Debt instrument, fixed interest rate (as a percent)								7.02%	6.98%	4.00%
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR)
Debt instrument, basis point	3.29%
Tier 2 Capital		$ 64,000			$ 64,000						$ 120,000
Debt instrument, repurchase face amount								$ 40,000
4.00% Fixed To Floating Rate Subordinated Debentures due 2031 \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument, fixed interest rate (as a percent)							7.39%