Securities (Narrative) (Details) $ in Thousands	9 Months Ended
Sep. 30, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Accrued interest receivable	$ 3,100	$ 3,100
Amortized cost of callable debt securities	253,000
Fair value of callable debt securities	$ 217,200
Available for sale debt securities, securities in continuous unrealized loss position, number of securities \| security	214	190
Available for sale debt securities, fair value	$ 958,990	$ 993,928
Asset Pledged as Collateral
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, fair value	$ 291,700	$ 294,800
Individual name issuer trust preferred debt securities
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, securities in continuous unrealized loss position, number of securities \| security	3	3
Securities in unrealized loss position, number of companies issuing securities \| 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	(216)
Available for sale debt securities, fair value	$ 8,765	$ 8,760
Corporate bonds [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities, securities in continuous unrealized loss position, number of securities \| security	4	4
Securities in unrealized loss position, number of companies issuing securities \| 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	(98)
Available for sale debt securities, fair value	$ 11,964	$ 11,484
Minimum [Member]
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Maturity period of callable debt securities	9 months
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	13 years
Call features of callable debt securities	10 months

Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.

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