Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, net of tax	$ 1,145,977	$ 1,319,112
Unrealized/Unrecognized gains (losses) on debt securities
Unrealized holding gains (losses) on debt securities available for sale, net of tax	21,944	(74,556)
Unrealized losses on debt securities transferred to held to maturity from available for sale, net of tax	0	(34,644)
Amounts reclassified from AOCI, net of tax	3	76
Amortization of unrealized losses on securities transferred to held to maturity, net of tax	(1,210)	(631)
Unrealized gains (losses) on cash flow hedges
Unrealized holding gains (losses) on cash flow hedges, net of tax	3,050	(4,845)
Amounts reclassified from AOCI, net of tax	(1,293)	357
Ending balance, net of tax	1,198,558	1,218,025
AOCI
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, net of tax	(273,278)	(23,758)
Unrealized gains (losses) on cash flow hedges
Accumulated other comprehensive income (loss) ending balance period, before tax	(343,773)	(192,467)
Accumulated other comprehensive income (loss) ending balance period, tax effect	97,989	54,862
Ending balance, net of tax	(245,784)	(137,605)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) beginning balance period, before tax	(352,878)	(32,272)
Accumulated other comprehensive income (loss) beginning balance period, tax effect	100,585	9,199
Beginning balance, net of tax	(252,293)	(23,073)
Unrealized/Unrecognized gains (losses) on debt securities
Unrealized holding gains (losses) on debt securities available for sale, before tax	30,693	(104,282)
Unrealized holding gains (losses) on debt securities available for sale, tax effect	(8,749)	29,726
Unrealized holding gains (losses) on debt securities available for sale, net of tax	21,944	(74,556)
Unrealized losses on debt securities transferred to held to maturity from available for sale, before tax	0	(48,456)
Unrealized losses on debt securities transferred to held to maturity from available for sale, tax effect	0	13,812
Unrealized losses on debt securities transferred to held to maturity from available for sale, net of tax	0	(34,644)
Amounts reclassified from AOCI, before tax	(4)	(106)
Reclassification adjustment for realized (gains) losses on debt securities available for sale included in net income, tax expense (benefit)	1	30
Amounts reclassified from AOCI, net of tax	(3)	(76)
Amortization of unrealized losses on securities transferred to held to maturity, before tax	1,693	883
Amortization of unrealized losses on securities transferred to held to maturity, tax effect	483	252
Amortization of unrealized losses on securities transferred to held to maturity, net of tax	1,210	631
Unrealized gains (losses) on cash flow hedges
Accumulated other comprehensive income (loss) ending balance period, before tax	(320,496)	(184,233)
Accumulated other comprehensive income (loss) ending balance period, tax effect	91,354	52,515
Ending balance, net of tax	(229,142)	(131,718)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) beginning balance period, before tax	(29,350)	(958)
Accumulated other comprehensive income (loss) beginning balance period, tax effect	8,365	273
Beginning balance, net of tax	(20,985)	(685)
Unrealized gains (losses) on cash flow hedges
Unrealized holding gains (losses) on cash flow hedges, before tax	4,264	(6,776)
Unrealized holding gains (losses) on cash flow hedges, tax effect	(1,214)	1,931
Unrealized holding gains (losses) on cash flow hedges, net of tax	3,050	(4,845)
(Gain) loss reclassified from OCI to interest expense, net of tax	1,809	(500)
Amounts reclassified from AOCI, tax effect	(516)	143
Amounts reclassified from AOCI, net of tax	1,293	(357)
Accumulated other comprehensive income (loss) ending balance period, before tax	(23,277)	(8,234)
Accumulated other comprehensive income (loss) ending balance period, tax effect	6,635	2,347
Ending balance, net of tax	$ (16,642)	$ (5,887)