Summary of Operations and Significant Accounting Policies - Summary of Basic and Diluted Common Shares Outstanding (Detail) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average number of basic shares outstanding	7,130	7,540	7,577
Effect of dilutive securities	96	81	111
Weighted average number of diluted shares outstanding	7,226	7,621	7,688