Qualified Affordable Housing Projects and Other Tax Credit Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Summary of Investment Holdings [Line Items]
Investment	$ 175,951		$ 175,951		$ 156,755
Unfunded commitment	81,654		81,654		65,342
Amortization expense	5,852	$ 3,902	14,302	$ 9,437
Tax expense (benefit) recognized	(6,592)	(4,700)	(16,654)	(11,264)
LIHTC
Summary of Investment Holdings [Line Items]
Investment, proportional amortization	93,214		93,214		84,428
Unfunded commitment, proportional amortization	54,440		54,440		55,754
Amortization expense	3,208	1,240	6,135	3,734
Tax expense (benefit) recognized	(3,582)	(1,650)	(7,398)	(4,950)
FHTC
Summary of Investment Holdings [Line Items]
Investment, equity	36,715		36,715		19,316
Unfunded commitment, equity	27,214		27,214		9,588
Amortization expense	330	215	1,178	635
Tax expense (benefit) recognized	(399)	(262)	(1,423)	(776)
NMTC
Summary of Investment Holdings [Line Items]
Investment, equity	45,637		45,637		51,912
Unfunded commitment, equity	0		0		0
Amortization expense	2,092	2,237	6,275	4,439
Tax expense (benefit) recognized	(2,611)	(2,788)	(7,833)	(5,538)
Renewable Energy
Summary of Investment Holdings [Line Items]
Investment, equity	385		385		1,099
Unfunded commitment, equity	0		0		$ 0
Amortization expense	222	210	714	629
Tax expense (benefit) recognized	$ 0	$ 0	$ 0	$ 0