Stock-Based Compensation - Long-Term Incentive Plan - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	1 Months Ended		12 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Dec. 31, 2019
2020 LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Revenue growth target performance period start date	Jan. 01, 2020
Revenue growth target performance period end date	Dec. 31, 2022
Total fair market value of award at target	$ 1.3
Shares awarded, Weighted Average Fair Value	$ 8.70
Number of shares earned	145,289
Maximum number of shares that may be issued	254,256
2019 LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Revenue growth target performance period start date		Jan. 01, 2019
Revenue growth target performance period end date		Dec. 31, 2021
Total fair market value of award at target		$ 0.9
Shares awarded, Weighted Average Fair Value		$ 5.27
Number of shares earned		174,117
Maximum number of shares that may be issued		300,015
Reduction in the number of shares earned			2,680
Reduction in the number of shares that may be issued			4,690