Net Income Per Share (Computation of Weighted Average Shares Outstanding Basic and Diluted) (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Common shares	12,832,945	13,069,364	12,821,478	13,483,613
Vested restricted stock units	216,990	366,143	232,277	366,098
Basic number of weighted average shares outstanding	13,049,935	13,435,507	13,053,755	13,849,711
Dilutive effect of restricted stock and restricted stock units	50,026	82,472	32,233	77,661
Dilutive number of weighted average shares outstanding	13,099,961	13,517,979	13,085,988	13,927,372
Restricted share units outstanding excluded from calculation of diluted net income per share	6,031	0	5,814	0
Options outstanding excluded from calculation of diluted net income per share	228,625	67,264	241,201	56,492