Basis of Presentation and Summary of Significant Accounting Policies - Calculation of Earnings per Share (Details) - shares	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted-average common shares outstanding - basic (shares)	16,890,000	16,888,000	16,868,000	16,824,000	16,733,000	16,688,000	16,659,000	16,435,000	16,868,000	16,630,000	16,185,000
Shares used to compute diluted income per share					16,733,000	17,142,000	17,172,000	17,248,000	16,868,000	17,246,000	16,825,000
Potentially dilutive shares excluded from calculation due to anti-dilutive effect (shares)									6,241,000	4,793,000	8,458,000
Restricted stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Dilutive potential common shares (shares)									0	96,000	56,000
Stock options
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Dilutive potential common shares (shares)									0	520,000	584,000