Shareholders' Equity and Compensation Plans - Changes in OCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Shareholders' Equity, Beginning Balance	$ 1,522,263	$ 1,529,116	$ 1,078,975
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	29,317	(149,109)	(18,343)
Debt Securities, Held-to-maturity, Transfer, Derivative Hedge, Gain (Loss)		0
Shareholders' Equity, Ending Balance	1,716,068	1,522,263	1,529,116
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Shareholders' Equity, Beginning Balance	(130,332)	18,777	37,120
Shareholders' Equity, Ending Balance	(101,015)	(130,332)	18,777
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Shareholders' Equity, Beginning Balance	(144,549)	5,271	22,320
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	31,705	(149,623)	(17,049)
Debt Securities, Held-to-maturity, Transfer, Derivative Hedge, Gain (Loss)		(197)
Shareholders' Equity, Ending Balance	(112,844)	(144,549)	5,271
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Shareholders' Equity, Beginning Balance	1,032	(2,178)	(4,508)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	217	3,210	2,330
Debt Securities, Held-to-maturity, Transfer, Derivative Hedge, Gain (Loss)		0
Shareholders' Equity, Ending Balance	1,249	1,032	(2,178)
AOCI, Accumulated Gain (Loss), Held To Maturity Securities, Parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Shareholders' Equity, Beginning Balance	13,185	15,684	19,308
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(2,605)	(2,696)	(3,624)
Debt Securities, Held-to-maturity, Transfer, Derivative Hedge, Gain (Loss)		197
Shareholders' Equity, Ending Balance	$ 10,580	$ 13,185	$ 15,684