Derivatives - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative assets	$ 6,132	$ 7,387
Derivative liabilities	7,032	9,122
Interest rate lock commitments
Derivatives, Fair Value [Line Items]
Derivative assets	3,248	4,034
Retail interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative assets	126
Derivative liabilities		880
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative assets	9,506	11,421
Derivative liabilities	6,132	8,267
Not Designated as Hedging Instrument | Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative assets	6,132	7,387
Derivative liabilities	6,132	7,387
Not Designated as Hedging Instrument | Interest rate swaps | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	6,132	7,387
Not Designated as Hedging Instrument | Interest rate swaps | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	6,132	7,387
Not Designated as Hedging Instrument | Interest rate lock commitments | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	3,248	4,034
Not Designated as Hedging Instrument | Retail interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative assets	126
Derivative liabilities		880
Not Designated as Hedging Instrument | Retail interest rate contracts | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	126	0
Not Designated as Hedging Instrument | Retail interest rate contracts | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 0	$ 880