Other Comprehensive (Loss) Income - Activity in AOCI, net of tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]
Securities Available For Sale, Beginning balance	$ (4,023)	$ 15,083
Securities Available For Sale, Other comprehensive income/(loss) before reclassifications	(58,613)	(15,098)
Securities Available For Sale, Amounts reclassified from accumulated other comprehensive income	0	(408)
Securities Available For Sale, Net other comprehensive income/(loss) during period	(58,613)	(15,506)
Securities Available For Sale, Ending balance	(62,636)	(423)
Post-retirement Benefit, Beginning balance	(79)	(79)
Post-retirement Benefit, Ending balance	(79)	(79)
Cash Flow hedge Derivatives, Beginning balance	674
Cash Flow Hedge Derivatives, Other comprehensive income/(loss) before reclassifications	(12,830)
Cash Flow Hedge Derivatives, Amounts reclassified from accumulated other comprehensive income	(626)
Net of tax amount	(13,456)
Cash Flow hedge Derivatives, Ending balance	(12,782)
Accumulated Other Comprehensive Income (Loss), Beginning balance	(3,428)	15,004
Accumulated Other Comprehensive Income (Loss), Other comprehensive income/(loss) before reclassifications	(71,443)	(15,098)
Accumulated Other Comprehensive Income (Loss), Amounts reclassified from accumulated other comprehensive income	(626)	(408)
Accumulated Other Comprehensive Income (loss), Net other comprehensive income/(loss) during period	(72,069)	(15,506)
Accumulated Other Comprehensive Income (Loss), Ending balance	$ (75,497)	$ (502)