OTHER COMPREHENSIVE INCOME (LOSS): (Details 1) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, January 1	$ 9,764	$ (7,501)
Current Period Change	(12,190)	17,265
Ending balance, December 31	(2,426)	9,764
Unrealized Gains and Losses on Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, January 1	34,162	14,893
Current Period Change	(18,488)	19,269
Ending balance, December 31	15,674	34,162
Unrealized gains losses on securities available-for-sale without other than temporary impairment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, January 1	31,810	12,178
Current Period Change	(18,655)	19,632
Ending balance, December 31	13,155	31,810
Unrealized gains losses on securities available-for-sale with other than temporary impairment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, January 1	2,352	2,715
Current Period Change	167	(363)
Ending balance, December 31	2,519	2,352
Retirement Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance, January 1	(24,398)	(22,394)
Current Period Change	6,298	2,004
Ending balance, December 31	$ (18,100)	$ (24,398)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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