Net (Loss) Income Per Common Share (Narrative) (Details) - Stock Compensation Plan [Member] - $ / shares	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	719,875	680,550	716,375	700,550
Weighted average price of anti-dilutive options outstanding	$ 18.48	$ 22.15	$ 18.55	$ 21.83
Exercise of stock options excluded	14,919		20,119

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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