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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Long-Term Debt (Credit Facility) (Narrative) (Details) - USD ($)	6 Months Ended	9 Months Ended
	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Mar. 17, 2021
Line of Credit Facility [Line Items]
Minimum secured borrowing capacity		$ 11,000,000.0
Minimum fixed charge coverage ratio		110.00%
Payments of financing costs	$ 500,000		$ 539,000
Net deferred financing fees		$ 1,296,000		$ 1,465,000
Amortization of deferred financing costs		$ 200,000
PNC Bank [Member] \| Amended And Restated Revolving Credit [Member]
Line of Credit Facility [Line Items]
Debt instrument, expiration date		Mar. 17, 2026
Revolving Credit Facility [Member] \| PNC Bank [Member]
Line of Credit Facility [Line Items]
Maximum secured borrowing capacity					$ 105,000,000.0
Commitment fee on the daily unused portion of the Revolver		0.25%
Net deferred financing fees		$ 1,300,000
Revolving Credit Facility [Member] \| PNC Bank [Member] \| LIBOR [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Debt instrument, effective interest rate		5.00%
Revolving Credit Facility [Member] \| PNC Bank [Member] \| LIBOR [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Debt instrument, effective interest rate		7.75%
Term Loan [Member] \| PNC Bank [Member]
Line of Credit Facility [Line Items]
Maximum secured borrowing capacity					$ 15,000,000.0
Debt Instrument, Frequency of Periodic Payment		quarterly
Quarterly term loan payments		$ 500,000
Term Loan [Member] \| PNC Bank [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Debt instrument, effective interest rate		5.69%