Short-Term Borrowings and Long-Term Debt - Summary of Short-Term Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Federal Funds Purchased
Debt Instrument [Line Items]
Amount outstanding at year-end	$ 0	$ 0
Interest rate at year-end	0.00%	0.00%
Average balance outstanding during the year	$ 30,741	$ 88,916
Weighted-average interest rate during the year	1.17%	0.15%
Maximum month-end outstanding during the year	$ 525,000	$ 302,301
Customer Repurchase Agreements
Debt Instrument [Line Items]
Amount outstanding at year-end	$ 1,142	$ 2,832
Interest rate at year-end	0.25%	0.25%
Average balance outstanding during the year	$ 1,928	$ 4,199
Weighted-average interest rate during the year	0.28%	0.28%
Maximum month-end outstanding during the year	$ 2,320	$ 5,487
FHLB Borrowings
Debt Instrument [Line Items]
Amount outstanding at year-end	$ 1,200,000	$ 2,200,000
Interest rate at year-end	4.25%	0.13%
Average balance outstanding during the year	$ 1,797,082	$ 2,306,165
Weighted-average interest rate during the year	1.60%	0.19%
Maximum month-end outstanding during the year	$ 2,650,000	$ 2,600,000