Derivatives - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 4,984	$ 508
Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative assets	3,819	853
Derivative liabilities	4,884	246
Interest rate lock commitments
Derivatives, Fair Value [Line Items]
Derivative assets	1,363	978
Retail interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative liabilities	100	262
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative assets	5,182	1,224
Derivative liabilities	3,919	508
Not Designated as Hedging Instrument | Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative assets	3,819	246
Derivative liabilities	3,819	246
Not Designated as Hedging Instrument | Interest rate swaps | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	3,819	246
Not Designated as Hedging Instrument | Interest rate swaps | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	3,819	246
Not Designated as Hedging Instrument | Interest rate lock commitments | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	1,363	978
Not Designated as Hedging Instrument | Retail interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative liabilities	100	262
Not Designated as Hedging Instrument | Retail interest rate contracts | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 100	$ 262