COMPREHENSIVE INCOME (LOSS) - Changes of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Changes of AOCI
Balance	$ 275,284	$ 262,381	$ 249,325
Other comprehensive income (loss)	13,966	1,676	11,441
Balance	341,714	275,284	262,381
Unrealized (Losses) Gains on Securities
Changes of AOCI
Balance	(37,084)	(38,878)	(50,370)
Other comprehensive income (loss)	13,930	1,794	11,492
Balance	(23,154)	(37,084)	(38,878)
Unfunded Retirement Obligations
Changes of AOCI
Balance	323	441	492
Other comprehensive income (loss)	36	(118)	(51)
Balance	359	323	441
Accumulated Other Comprehensive (Loss) Income
Changes of AOCI
Balance	(36,761)	(38,437)	(49,878)
Other comprehensive income (loss)	13,966	1,676	11,441
Balance	$ (22,795)	$ (36,761)	$ (38,437)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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