Derivatives - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 3,135	$ 508
Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative assets	2,504	853
Derivative liabilities	2,878	246
Interest rate lock commitments
Derivatives, Fair Value [Line Items]
Derivative assets	2,072	978
Retail interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative liabilities	257	262
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative assets	4,576	1,224
Derivative liabilities	2,761	508
Not Designated as Hedging Instrument | Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative assets	2,504	246
Derivative liabilities	2,504	246
Not Designated as Hedging Instrument | Interest rate swaps | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	2,504	246
Not Designated as Hedging Instrument | Interest rate swaps | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	2,504	246
Not Designated as Hedging Instrument | Interest rate lock commitments | Other assets
Derivatives, Fair Value [Line Items]
Derivative assets	2,072	978
Not Designated as Hedging Instrument | Retail interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative liabilities	257	262
Not Designated as Hedging Instrument | Retail interest rate contracts | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 257	$ 262