Short-Term Borrowings - Summary of Short-Term Borrowings (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
Federal Reserve Bank discount window borrowing	$ 250,000,000	$ 0
Federal Home Loan Bank advances	335,000,000	490,000,000
Securities sold under agreements to repurchase	55,647,000	49,638,000
Total	$ 640,647,000	$ 539,638,000

Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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