Significant Accounting Policies - Net Income (Loss) Per Share (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Schedule of reconciliation of shares used to calculate basic and diluted earnings per share
Weighted average shares outstanding used to compute basic earnings per share (in shares)	23,550	23,948	23,765	23,966
Incremental shares issuable upon the assumed exercise of stock options (in shares)	3	4	3	5
Unvested restricted stock and restricted stock units (in shares)	349	161	258	160
Shares used to compute diluted earnings per share (in shares)	23,902	24,113	24,026	24,131
Anti-dilutive shares excluded from the diluted earnings per share calculation (in shares)	11	377	149	293