Short-Term Borrowings - Components and Selected Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2020	Dec. 31, 2021	Nov. 30, 2021
Short-term borrowings
Short-term borrowings	$ 75,000
Weighted-average interest rate paid (as a percent)		2.88%
Federal Home Loan Bank Advances [Member]
Short-term borrowings
Available remaining borrowing capacity	2,500,000		$ 1,800,000
Federal Reserve Bank Advances [Member]
Short-term borrowings
Available remaining borrowing capacity	1,200,000		$ 1,100,000
Federal Funds Purchased [Member]
Short-term borrowings
Short-term borrowings	$ 75,000
Weighted-average interest rate (as a percent)	4.35%
Highest month-end balance	$ 75,000
Average outstanding balance	$ 11,521	$ 1,366
Weighted-average interest rate paid (as a percent)	4.08%	0.43%
Federal Home Loan Bank Advances [Member]
Short-term borrowings
Long-term borrowings				$ 200,000
Incurred fees related to early termination				$ 9,000
Weighted-average interest rate (as a percent)				2.73%
Highest month-end balance		$ 400,000
Average outstanding balance		$ 208,197