Borrowed Funds - Summary of Fixed-To-Floating Rate Subordinated Notes Outstanding (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Subordinated Debt
Debt Outstanding [Line Items]
Stated Maturity	Nov. 06, 2028
Interest Rate of Capital Securities and Debentures	5.90%	[1]
Principal amount of Subordinated Notes	$ 300
Subordinated Debt 1
Debt Outstanding [Line Items]
Stated Maturity	Nov. 01, 2030
Interest Rate of Capital Securities and Debentures	4.125%	[2]
Principal amount of Subordinated Notes	$ 150

[1] From and including the date of original issuance to, but excluding November 6, 2023, the Notes will bear interest at an initial rate of 5.90 percent per annum payable semi-annually. Unless redeemed, from and including November 6, 2023 to but excluding the maturity date, the interest rate will reset quarterly to an annual interest rate equal to the then-current three-month LIBOR rate plus 278 basis point payable quarterly.

[2] From and including the date of original issuance, the Notes will bear interest at a fixed rate of 4.125 percent through October 31, 2025, and a variable rate tied to SOFR thereafter until maturity. The Company has the option to redeem all or a part of the Notes beginning on November 1, 2025, and on any subsequent interest payment date.