Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (139,974)	$ (2,426)
Change in Other comprehensive income (loss) before reclassification, Unrealized gains and Losses on available-for-sale Securities	14,238	(68,910)
Amount reclassified from accumulated other comprehensive income, unrealized gain and losses and available for sale securities	147	311
Net current period other comprehensive income (loss)	14,385	(68,599)
Ending balance	(125,589)	(71,025)
Unrealized gains and (Losses) on available- for-sale Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(128,896)	15,674
Change in Other comprehensive income (loss) before reclassification, Unrealized gains and Losses on available-for-sale Securities	14,238	(68,910)
Amount reclassified from accumulated other comprehensive income, unrealized gain and losses and available for sale securities		(4)
Net current period other comprehensive income (loss)	14,238	(68,914)
Ending balance	(114,658)	(53,240)
Retirement plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(11,078)	(18,100)
Amount reclassified from accumulated other comprehensive income, unrealized gain and losses and available for sale securities	147	315
Net current period other comprehensive income (loss)	147	315
Ending balance	$ (10,931)	$ (17,785)