Derivatives - Derivative Financial Instruments (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Interest Rate Swap | Subordinated debt
Derivatives, Fair Value [Line Items]
Notional Amount	$ 30,000,000
Not designated as hedging
Derivatives, Fair Value [Line Items]
Notional Amount	1,496,931,000	$ 2,696,444,000
Asset	52,792,000	27,384,000
Liability	(49,526,000)	(20,215,000)
Not designated as hedging | Interest rate contracts
Derivatives, Fair Value [Line Items]
Notional Amount	529,801,000	600,048,000
Asset	45,775,000	19,265,000
Liability	(45,762,000)	(19,138,000)
Not designated as hedging | Forward commitments
Derivatives, Fair Value [Line Items]
Notional Amount	294,000,000	1,180,000,000
Asset	7,017,000	0
Liability	0	(1,077,000)
Not designated as hedging | Interest rate-lock commitments
Derivatives, Fair Value [Line Items]
Notional Amount	188,430,000	487,396,000
Asset	0	7,197,000
Liability	(222,000)	0
Not designated as hedging | Futures contracts
Derivatives, Fair Value [Line Items]
Notional Amount	484,700,000	429,000,000
Asset	0	922,000
Liability	(3,542,000)	0
Designated as hedging | Interest Rate Swap
Derivatives, Fair Value [Line Items]
Notional Amount	300,000,000
Designated as hedging | Interest Rate Swap | Subordinated debt
Derivatives, Fair Value [Line Items]
Notional Amount	30,000,000
Asset	$ 1,198,000
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets
Liability		$ (785,000)
Derivative Liability, Statement of Financial Position [Extensible Enumeration]		Accrued expenses and other liabilities