Summary of Significant Accounting Policies - Schedule of Accumulated Other Comprehensive Income, Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,346,555	$ 1,292,385	$ 1,271,958	$ 1,221,210	$ 1,205,747	$ 1,213,700	$ 1,271,958	$ 1,213,700
Other comprehensive income/(loss) before reclassifications	2,620			(12,764)			27,484	(69,261)
Amounts reclassified from AOCI	(4,108)			(1,341)			(12,480)	1,819
Other comprehensive (loss)/income net of tax	(1,488)	25,511	(9,019)	(14,105)	(9,819)	(43,518)	15,004	(67,442)
Ending balance	1,385,267	1,346,555	1,292,385	1,232,023	1,221,210	1,205,747	1,385,267	1,232,023
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Including Noncontrolling Interest | Available-for-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(96,607)		(115,561)	(98,924)		(6,932)	(115,561)	(6,932)
Other comprehensive income/(loss) before reclassifications	17,443			(33,041)			36,406	(125,027)
Amounts reclassified from AOCI	(4)			(2)			(13)	(8)
Other comprehensive (loss)/income net of tax	17,439			(33,043)			36,393	(125,035)
Ending balance	(79,168)	(96,607)		(131,967)	(98,924)		(79,168)	(131,967)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Including Noncontrolling Interest | Held-to-Maturity Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	15,486		16,357	16,818		16,153	16,357	16,153
Other comprehensive income/(loss) before reclassifications	(25,199)			0			(25,199)	0
Amounts reclassified from AOCI	294			(492)			(577)	173
Other comprehensive (loss)/income net of tax	(24,905)			(492)			(25,776)	173
Ending balance	(9,419)	15,486		16,326	16,818		(9,419)	16,326
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	46,770		48,361	32,622		(5,368)	48,361	(5,368)
Other comprehensive income/(loss) before reclassifications	10,376			20,277			16,277	55,766
Amounts reclassified from AOCI	(4,398)			(847)			(11,890)	1,654
Other comprehensive (loss)/income net of tax	5,978			19,430			4,387	57,420
Ending balance	52,748	46,770		52,052	32,622		52,748	52,052
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(34,351)	(59,862)	(50,843)	(49,484)	(39,665)	3,853	(50,843)	3,853
Other comprehensive (loss)/income net of tax	(1,488)	25,511	(9,019)	(14,105)	(9,819)	(43,518)
Ending balance	$ (35,839)	$ (34,351)	$ (59,862)	$ (63,589)	$ (49,484)	$ (39,665)	$ (35,839)	$ (63,589)