Securities (Schedule of Held-to-maturity Securities Reconciliation) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Held-to-maturity
Amortized Cost		$ 285,949
Amortized cost, post ASU 2019-04	$ 282,313
Gross Unrealized Losses	(25,988)	(25,336)
Fair Value	256,325	260,613
US Treasury Securities [Member]
Held-to-maturity
Amortized Cost		150,295
Amortized cost, post ASU 2019-04	150,126
Gross Unrealized Losses	(2,925)	(5,613)
Fair Value	147,201	144,682
US Government-sponsored Enterprises Debt Securities [Member]
Held-to-maturity
Amortized Cost		50,539
Amortized cost, post ASU 2019-04	49,642
Gross Unrealized Losses	(9,013)	(8,037)
Fair Value	40,629	42,502
Municipal securities [Member]
Held-to-maturity
Amortized Cost		53,694
Amortized cost, post ASU 2019-04	52,947
Gross Unrealized Losses	(8,872)	(7,550)
Fair Value	44,075	46,144
Mortgage-backed securities (GSEs) [Member]
Held-to-maturity
Amortized Cost		31,421
Amortized cost, post ASU 2019-04	29,598
Gross Unrealized Losses	(5,178)	(4,136)
Fair Value	$ 24,420	$ 27,285

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

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