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Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
Dec. 31, 2022
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) The following table summarizes activity in the unrealized gain or loss on available for sale securities included in other comprehensive income (loss) for the years ended December 31, 2022, 2021 and 2020.
For the years ended December 31,202220212020
Balance at beginning of year$(1,718,000)$5,009,000 $3,657,000 
Unrealized gains (losses) arising during the year(54,424,000)(8,492,000)2,866,000 
Reclassification of realized gains during the year(7,000)(23,000)(1,155,000)
Related deferred taxes11,431,000 1,788,000 (359,000)
Net change(43,000,000)(6,727,000)1,352,000 
Balance at end of year$(44,718,000)$(1,718,000)$5,009,000 
For the years ended December 31,202220212020
Balance at beginning of year$(87,000)$(133,000)$(182,000)
Amortization of net unrealized gains 29,000 58,000 62,000 
Related deferred taxes(6,000)(12,000)(13,000)
Net change23,000 46,000 49,000 
Balance at end of year$(64,000)$(87,000)$(133,000)

The following table represents the effect of the Company's derivative financial instruments included in other comprehensive income (loss) for the years ended December 31, 2022, 2021, and 2020.
For the years ended December 31,
202220212020
Balance at beginning of year$— $(4,932,000)$97,000 
Unrealized gains (losses) on cash flow hedging derivatives arising during the year689,000 6,243,000 (6,366,000)
Related deferred taxes(145,000)(1,311,000)1,337,000 
Net change544,000 4,932,000 (5,029,000)
Balance at end of year$544,000 $— $(4,932,000)
The following table summarizes activity in the unrealized gain or loss on postretirement benefits included in other comprehensive income (loss) for the years ended December 31, 2022, 2021, and 2020:
For the years ended December 31,202220212020
Unrecognized postretirement benefits  at beginning of year$105,000 $28,000 $24,000 
Change in unamortized net actuarial gain 212,000 98,000 5,000 
Related deferred taxes(44,000)(21,000)(1,000)
Net change168,000 77,000 4,000 
Unrecognized postretirement benefits at end of year$273,000 $105,000 $28,000