Derivative Financial Instruments (Narrative) (Details)	1 Months Ended	3 Months Ended		9 Months Ended
	Mar. 31, 2016 USD ($) contract	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Derivative [Line Items]
Interest rate swap notional amount		$ 15,000,000.0		$ 15,000,000.0
Interest rate swap fair value		400,000		400,000
Cash flow hedge ineffectiveness		$ 85,000	$ 3,000	$ 84,000,000	$ 7,000
Derivative, fixed interest rate		4.655%		4.655%
Increase (decrease) in derivative fair value		$ 323,000	14,000	$ (319,000)	$ 30,000
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Derivative [Line Items]
Unrealized holding (losses)/gains on investments			14,000
Unrealized tax (expense) benefit		(85,000)	$ 3,000
Interest Rate Swap [Member]
Derivative [Line Items]
Interest rate swap notional amount	$ 30,000,000.0	$ 15,000,000.0		$ 15,000,000.0
Number of interest rate swap contracts | contract	4
Interest rate swap fair value						$ 800,000