Derivative Financial Instruments (Schedule of Outstanding Financial Derivative Instruments) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Interest Rate Lock Commitments [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional	$ 53,426	$ 20,552
Balance Sheet Location, description	Other assets	Other assets
Fair Value, Asset/(Liability)	$ 682	$ 345
Securities Sold, Not yet Purchased [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional	$ 37,000	$ 11,750
Balance Sheet Location, description	Other liabilities	Other liabilities
Fair Value, Asset/(Liability)	$ (71)	$ (121)
Derivative [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional	90,426	32,302
Fair Value, Asset/(Liability)	$ 611	$ 224