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Other Comprehensive Income - Changes in accumulated other comprehensive income (loss), net of tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Abstract]
Beginning balance	$ 1,350,775	$ 1,240,892	$ 1,190,681
Other comprehensive income (loss) before reclassifications	(140,642)	(27,923)	13,044
Transfer of securities from AFS to HTM	(49,095)
Amounts reclassified from accumulated other comprehensive income	4,472	(1,819)	(503)
Other comprehensive income (loss)	(185,265)	(29,742)	12,541
Ending balance	1,228,321	1,350,775	1,240,892
Securities Available For Sale
Debt Securities, Available-for-sale [Abstract]
Beginning balance	(13,958)	16,168	3,109
Other comprehensive income (loss) before reclassifications	(140,926)	(27,923)	14,422
Transfer of securities from AFS to HTM
Amounts reclassified from accumulated other comprehensive income	111	(2,203)	(1,363)
Other comprehensive income (loss)	(140,815)	(30,126)	13,059
Ending balance	(154,773)	(13,958)	16,168
Held-to-Maturity Securities
Debt Securities, Available-for-sale [Abstract]
Beginning balance	0	0	0
Other comprehensive income (loss) before reclassifications	0	0	0
Transfer of securities from AFS to HTM	(49,095)
Amounts reclassified from accumulated other comprehensive income	4,361	0	0
Other comprehensive income (loss)	(44,734)	0	0
Ending balance	(44,734)	0	0
Derivatives
Debt Securities, Available-for-sale [Abstract]
Beginning balance	(284)	(668)	(150)
Other comprehensive income (loss) before reclassifications	284	0	(1,378)
Transfer of securities from AFS to HTM
Amounts reclassified from accumulated other comprehensive income	0	384	860
Other comprehensive income (loss)	284	384	(518)
Ending balance	0	(284)	(668)
Accumulated Other Comprehensive Income (Loss)
Debt Securities, Available-for-sale [Abstract]
Beginning balance	(14,242)	15,500	2,959
Other comprehensive income (loss)	(185,265)	(29,742)	12,541
Ending balance	$ (199,507)	$ (14,242)	$ 15,500

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Amount of tax expense (benefit) on adjustment from accumulated other comprehensive income (loss) for amortization of gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) from transfer to investment in debt security measured at amortized cost (held-to-maturity).

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