Other Comprehensive (Loss) Income - Schedule of Components of Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Before Tax
Net unrealized gain (loss) on securities available-for-sale	$ (15,959)	$ (44,717)	$ 8,080	$ (123,944)
Less: Reclassification adjustment for net gain (loss) included in net income	(2)	151	19	176
Total unrealized gain (loss) on investment securities available-for-sale	(15,961)	(44,566)	8,099	(123,768)
Net unrealized loss on securities transferred to held-to-maturity				(66,193)
Amortization of unrealized loss on securities transferred to held-to-maturity	1,831	2,689	3,814	2,689
Total unrealized gain (loss) recognized on investment securities held-to-maturity	1,831	2,689	3,814	(63,504)
Net unrealized gain on derivatives		284		284
Total unrealized gain on derivatives		284		284
Other comprehensive income (loss)	(14,130)	(41,593)	11,913	(186,988)
Tax Effect
Net unrealized gain (loss) on securities available-for-sale	3,885	11,697	(2,218)	32,520
Less: Reclassification adjustment for net gain (loss) included in net income	0	(51)	(5)	(59)
Total unrealized gain (loss) on investment securities available-for-sale	3,885	11,646	(2,223)	32,461
Net unrealized loss on securities transferred to held-to-maturity				17,098
Amortization of unrealized loss on securities transferred to held-to-maturity	(428)	(698)	(1,770)	(698)
Total unrealized gain (loss) recognized on investment securities held-to-maturity	(428)	(698)	(1,770)	16,400
Net unrealized gain on derivatives		0		0
Total unrealized gain on derivatives		0		0
Other comprehensive income (loss)	3,457	10,948	(3,993)	48,861
Net of Tax
Less: Reclassification adjustment for net gain (loss) included in net income	(2)	100	14	117
Total unrealized (loss) gain on investment securities available-for-sale	(12,076)	(32,920)	5,876	(91,307)
Net unrealized loss on securities transferred to held-to-maturity				(49,095)
Amortization of unrealized loss on securities transferred to held-to-maturity	1,403	1,991	2,044	1,991
Total unrealized gain (loss) recognized on investment securities held-to-maturity	1,403	1,991	2,044	(47,104)
Net unrealized gain on derivatives		284	0	284
Total unrealized gain on derivatives		284		284
Other comprehensive income (loss)	$ (10,673)	$ (30,645)	$ 7,920	$ (138,127)