Securities (Schedule of Held-to-maturity Securities Reconciliation) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Held-to-maturity
Amortized Cost	$ 284,776
Amortized Cost		$ 285,949
Gross Unrealized Losses	(21,604)	(25,336)
Fair Value	263,172	260,613
US Treasury Securities [Member]
Held-to-maturity
Amortized Cost	150,243
Amortized Cost		150,295
Gross Unrealized Losses	(4,178)	(5,613)
Fair Value	146,065	144,682
US Government-sponsored Enterprises Debt Securities [Member]
Held-to-maturity
Amortized Cost	50,240
Amortized Cost		50,539
Gross Unrealized Losses	(6,983)	(8,037)
Fair Value	43,257	42,502
Municipal securities [Member]
Held-to-maturity
Amortized Cost	53,455
Amortized Cost		53,694
Gross Unrealized Losses	(6,657)	(7,550)
Fair Value	46,798	46,144
Mortgage-backed securities (GSEs) [Member]
Held-to-maturity
Amortized Cost	30,838
Amortized Cost		31,421
Gross Unrealized Losses	(3,786)	(4,136)
Fair Value	$ 27,052	$ 27,285

Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount excluding accrued interest, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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