Securities (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) security	Dec. 31, 2021 USD ($) security
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Accrued interest receivable	$ 3,100	$ 2,300
Available for sale debt securities, fair value	993,928	$ 1,042,859
Amortized cost of callable debt securities	253,000
Fair value of callable debt securities	$ 219,100
Number of securities in an unrealized loss position | security	190	87
Asset Pledged as Collateral
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, fair value	$ 294,800	$ 332,000
Minimum [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Callable debt securities, maturity period	2 years
Callable debt securities, call feature period	1 month
Maximum [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Callable debt securities, maturity period	14 years
Callable debt securities, call feature period	11 months
Individual name issuer trust preferred debt securities [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, fair value	$ 8,760	$ 9,138
Number of securities in an unrealized loss position | security	3	3
Number of companies issuing securities in continuous unrealized loss position | security	3
Number of debt securities below investment grade | security	1
Amortized cost of securities below investment grade	$ 2,000
Unrealized losses on securities below investment grade	(134)
Corporate bonds [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, fair value	$ 11,484	$ 12,305
Number of securities in an unrealized loss position | security	4	4
Number of companies issuing securities in continuous unrealized loss position | security	3
Number of debt securities below investment grade | security	1
Amortized cost of securities below investment grade	$ 2,000
Unrealized losses on securities below investment grade	$ (136)