Derivatives (Notional Amount and Fair Value of Derivative Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Other Assets
Notional Amount
Derivative asset	$ 243,460	$ 135,478
Fair Value
Derivative asset	16,506	4,974
Other Liabilities
Notional Amount
Derivative liability	202,604	125,502
Fair Value
Derivative liability	15,219	4,717
Customer-initiated derivatives
Fair Value
Derivative asset	14,754	4,684
Derivative liability	14,754	4,684
Customer-initiated derivatives | Designated as Hedging Instrument | Other Assets
Notional Amount
Derivative asset	122,357	103,941
Fair Value
Derivative asset	14,754	4,684
Customer-initiated derivatives | Designated as Hedging Instrument | Other Liabilities
Notional Amount
Derivative liability	122,357	103,941
Fair Value
Derivative liability	14,754	4,684
Forward contracts related to mortgage loans to be delivered for sale | Not Designated as Hedging Instrument | Other Assets
Notional Amount
Derivative asset	20,311	6,018
Fair Value
Derivative asset	79	34
Forward contracts related to mortgage loans to be delivered for sale | Not Designated as Hedging Instrument | Other Liabilities
Notional Amount
Derivative liability	80,247	20,633
Fair Value
Derivative liability	465	33
Interest rate lock commitments | Not Designated as Hedging Instrument | Other Assets
Notional Amount
Derivative asset	100,792	25,519
Fair Value
Derivative asset	1,673	256
Interest rate lock commitments | Not Designated as Hedging Instrument | Other Liabilities
Notional Amount
Derivative liability	0	928
Fair Value
Derivative liability	$ 0	$ 0