Derivative Financial Instruments (Schedule of Outstanding Financial Derivative Instruments) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Interest Rate Lock Commitments [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional	$ 138,692	$ 26,446
Balance Sheet Location, description	Other assets	Other assets
Fair Value, Asset/(Liability)	$ 2,963	$ 344
Securities Sold, Not yet Purchased [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional	$ 102,500	$ 20,500
Balance Sheet Location, description	Other liabilities	Other liabilities
Fair Value, Asset/(Liability)	$ (379)	$ (39)
Derivative [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional	241,192	46,946
Fair Value, Asset/(Liability)	$ 2,584	$ 305