Borrowed Funds - Short-Term Borrowings (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Short-Term Debt [Line Items]
Total short-term borrowings	$ 919,283	$ 655,726
Short-term borrowings
Short-Term Debt [Line Items]
FHLB advances	785,767	500,000
Securities sold under agreements to repurchase	133,516	155,726
Total short-term borrowings	$ 919,283	$ 655,726

Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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