Loans and Asset Quality Information (Narrative) (Details) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2020 USD ($) loan	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2020 USD ($) loan
Loans and Leases Receivable Disclosure [Line Items]
PPP loans approved and funded	$ 244,900
Unamortized net deferred loan costs (fees)	(5,439)	$ 1,560	$ 1,941
Payments that exceeded carrying amount of PCI loans	446	291
Loan discount accretion income	352	263
Additional loan interest income	80	$ 28
Recovery	$ 14
Interest income on restructured loans			1,300
Deferral period	90 days
Number of loans with processed payment deferrals | loan	207			1,483
Aggregate loan balance of loans processed payment deferrals	$ 186,000			$ 774,000
Second deferrals	158,000
Processed for payment deferrals, principal amount	100,000
Real estate – mortgage – residential (1-4 family) first mortgages
Loans and Leases Receivable Disclosure [Line Items]
Presold mortgages in process of settlement	1,800		600
SBA PPP loans
Loans and Leases Receivable Disclosure [Line Items]
Unamortized net deferred loan costs (fees)	(7,600)
SBA Loans
Loans and Leases Receivable Disclosure [Line Items]
Remaining unaccreted discount	7,100		7,100
Purchased Non-Impaired Loans
Loans and Leases Receivable Disclosure [Line Items]
Remaining unaccreted discount	$ 8,600		$ 11,100