Stock-Based Compensation - Summary of Stock-Based Compensation Expense by Type (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Stock Based Compensation [Line Items]
Total	$ 2,921	$ 2,479
Service-based Awards [Member]
Stock Based Compensation [Line Items]
Total	1,405	1,803
Director Awards [Member]
Stock Based Compensation [Line Items]
Total	373	402
Performance-based Awards - Long-term Incentive Plan [Member]
Stock Based Compensation [Line Items]
Total	576	28
Performance-based Awards - Short-term Incentive Plan [Member]
Stock Based Compensation [Line Items]
Total	300	0
Employee Stock Purchase Plan [Member]
Stock Based Compensation [Line Items]
Total	267	245
Stock Options [Member]
Stock Based Compensation [Line Items]
Total	$ 0	$ 1