Derivative Financial Instruments - Fair Values of Derivative Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	$ 49,227	$ 39,747
Liability Derivatives	23,183	19,127
Derivatives designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	25,700	21,361
Liability Derivatives	0	0
Derivatives designated as hedging instruments | Interest Rate Cap | Other assets
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	1,062	931
Derivatives designated as hedging instruments | Interest Rate Cap | Other liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Liability Derivatives	0	0
Derivatives designated as hedging instruments | Interest Rate Floor | Other assets
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	1,398	0
Derivatives designated as hedging instruments | Interest Rate Floor | Other liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Liability Derivatives	0	0
Derivatives designated as hedging instruments | Fixed Income Interest Rate | Interest Rate Swap | Other assets
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	23,240	20,430
Derivatives designated as hedging instruments | Fixed Income Interest Rate | Interest Rate Swap | Other liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Liability Derivatives	0	0
Derivatives not designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	23,527	18,386
Liability Derivatives	23,183	19,127
Derivatives not designated as hedging instruments | Interest Rate Lock Commitments | Other assets
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	0	0
Derivatives not designated as hedging instruments | Interest Rate Lock Commitments | Other liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Liability Derivatives	140	1,056
Derivatives not designated as hedging instruments | Mandatory Commitments to Sell Mortgage Loans | Other assets
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	484	315
Derivatives not designated as hedging instruments | Mandatory Commitments to Sell Mortgage Loans | Other liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Liability Derivatives	0	0
Derivatives not designated as hedging instruments | Fixed Income Interest Rate | Interest Rate Swap | Other assets | Commercial
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	22,400	17,567
Derivatives not designated as hedging instruments | Fixed Income Interest Rate | Interest Rate Swap | Other liabilities | Commercial
Derivative Instruments, Gain (Loss) [Line Items]
Liability Derivatives	643	504
Derivatives not designated as hedging instruments | Variable Income Interest Rate | Interest Rate Swap | Other assets | Commercial
Derivative Instruments, Gain (Loss) [Line Items]
Asset Derivatives	643	504
Derivatives not designated as hedging instruments | Variable Income Interest Rate | Interest Rate Swap | Other liabilities | Commercial
Derivative Instruments, Gain (Loss) [Line Items]
Liability Derivatives	$ 22,400	$ 17,567