Derivatives - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative assets	$ 8,846	$ 2,950
Derivative liabilities	11,002	3,484
Interest rate lock commitments
Derivatives, Fair Value [Line Items]
Derivative assets	6,519	810
Retail interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative liabilities	466	71
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative assets	15,365	3,760
Derivative liabilities	9,312	3,021
Not Designated as Hedging Instrument | Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative assets	8,846	2,950
Derivative liabilities	8,846	2,950
Not Designated as Hedging Instrument | Interest rate swaps | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	8,846	2,950
Not Designated as Hedging Instrument | Interest rate swaps | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	8,846	2,950
Not Designated as Hedging Instrument | Interest rate lock commitments | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	6,519	810
Not Designated as Hedging Instrument | Retail interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative liabilities	466	71
Not Designated as Hedging Instrument | Retail interest rate contracts | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 466	$ 71