Borrowed Funds - Short-Term Borrowings (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Short-Term Debt [Line Items]
Total short-term borrowings	$ 1,088,899	$ 138,729
Short-term borrowings
Short-Term Debt [Line Items]
FHLB advances	1,000,000	24,035
Securities sold under agreements to repurchase	88,899	114,694
Total short-term borrowings	$ 1,088,899	$ 138,729