Derivative Instruments (Details) - Not designated as hedging - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivative Instruments
Fair Value, Derivative Assets	$ 7,111	$ 1,621
Fair Value, Derivative Liabilities	1,321	109
Notional Amount, Derivative Assets	213,417	58,499
Notional Amount, Derivative Liabilities	239,000	68,500
Interest rate lock commitments | Other assets
Derivative Instruments
Fair Value, Derivative Assets	5,936	1,228
Notional Amount, Derivative Assets	179,182	45,715
Forward loan sales commitments | Other assets
Derivative Instruments
Fair Value, Derivative Assets	1,175	393
Notional Amount, Derivative Assets	34,235	12,784
TBA mortgage backed securities | Accrued expenses and other liabilities
Derivative Instruments
Fair Value, Derivative Liabilities	1,321	109
Notional Amount, Derivative Liabilities	$ 239,000	$ 68,500