XML 99 R84.htm IDEA: XBRL DOCUMENT v3.20.4
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
2019 LTIP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Revenue growth target performance period   3 years  
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 2,700
Maximum number of shares that may be issued   299,979  
Maximum number of earned shares declined     4,725
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