Securities (Narrative) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2021 USD ($) security	Dec. 31, 2020 USD ($) security
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Accrued interest receivable	$ 2,600	$ 2,400
Fair value of available for sale and held to maturity securities pledged as collateral	333,500	$ 291,900
Amortized cost of callable debt securities	209,800
Fair value of callable debt securities	$ 206,700
Number of securities in a continuous unrealized loss position total | security	61	30
Number of debt securities below investment grade | security	2
Unrealized losses of securities in a continuous unrealized loss position total	$ (9,341)	$ (2,569)
Individual name issuer trust preferred debt securities
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Number of securities in a continuous unrealized loss position total | security	4	5
Securities in unrealized loss position, number of companies issuing securities | security	4
Amortized cost of trust preferred securities of individual name issuers that are below investment grade	$ 4,000
Unrealized losses of trust preferred securities of individual name issuers that are below investment grade	169
Unrealized losses of securities in a continuous unrealized loss position total	$ (294)	$ (672)
Corporate bonds [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Number of securities in a continuous unrealized loss position total | security	4	3
Unrealized losses of securities in a continuous unrealized loss position total	$ (928)	$ (1,225)
Minimum [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Maturity period of callable debt securities	3 years
Call features of callable debt securities	1 month
Maximum [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Maturity period of callable debt securities	16 years
Call features of callable debt securities	1 year