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Changes to Accumulated Other Comprehensive Income, Net - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Beginning Balance $ 261,660 $ 266,826 $ 277,139 [1] $ 108,200
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) (11,889) (684) (45,748) (2,419)
Ending Balance 250,502 269,720 250,502 269,720
Net Unrealized Gains (Losses) on Available-For-Sale Securities [Member]        
Beginning Balance (37,915) (1,091) (4,056) 644
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) (11,889) (684) (45,748) (2,419)
Change in net unrealized holding gains (losses) on interest rate swaps, net of deferred tax (benefit) expense   0   0
Ending Balance (49,804) (1,775) (49,804) (1,775)
Transfer of Securities Held to Maturity to Available For Sale [Member]        
Beginning Balance 425 425 425 425
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) 0 0 0 0
Change in net unrealized holding gains (losses) on interest rate swaps, net of deferred tax (benefit) expense   0   0
Ending Balance 425 425 425 425
Pension and Post-retirement Benefit Plans[Member]        
Beginning Balance (1)   (1)  
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) 0   0  
Ending Balance (1)   (1)  
Net Unrealized Gains (Losses) on Interest Rate Swaps [Member        
Beginning Balance   2,866   (805)
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit)   0   0
Change in net unrealized holding gains (losses) on interest rate swaps, net of deferred tax (benefit) expense   767   4,438
Ending Balance   3,633   3,633
Accumulated Other Comprehensive Income (Loss), Net [Member]        
Beginning Balance (37,491) 2,200 (3,632) 264
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) (11,889) (684) (45,748) (2,419)
Change in net unrealized holding gains (losses) on interest rate swaps, net of deferred tax (benefit) expense   767   4,438
Ending Balance $ (49,380) $ 2,283 $ (49,380) $ 2,283
[1] Derived from audited December 31, 2021 Consolidated Financial Statements.