Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Details)

v3.22.0.1
Stock-Based Compensation (Details) - USD ($)
$ in Thousands
12 Months Ended
May 26, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Expected dividend rate   0.00%    
Stock-based compensation expense   $ 5,810 $ 5,319 $ 3,336
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   $ 4,900    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   1 year 7 months 6 days    
Long-Term Awards [Member]        
Performance period   3 years    
Share based compensation maximum percentage of target that may be earned   200.00%    
Long-Term Awards [Member] | Annual Award Agreements [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period   8    
Long Term Incentives Plan Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures   7    
Share based compensation maximum percentage of target that may be earned   150.00%    
Long Term Incentives Plan Units [Member] | 2016 Equity Incentive Plan [Member]        
Additional shares authorized for issuance 1,500,000      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   1,469,000    
Long Term Incentives Plan Units [Member] | Long Term Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period   17    
Long Term Incentives Plan Units [Member] | Annual Award Agreements [Member]        
Performance period   1 year    
Share Based Compensation Estimated Percentage Of Performance Goals   105.00%    
Share-based Compensation Award, Tranche One [Member] | Long-Term Awards [Member]        
Share Based Compensation Estimated Percentage Of Performance Goals   75.00%    
Share-based Compensation Award, Tranche One [Member] | Long Term Incentives Plan Units [Member]        
Vesting percentage   50.00%    
Share-based Compensation Award, Tranche One [Member] | Long Term Incentives Plan Units [Member] | 2018 Long-Term Awards        
Vesting percentage   50.00%    
Share-based Compensation Award, Tranche One [Member] | Long Term Incentives Plan Units [Member] | Annual Award Agreements [Member] | Independent Directors [Member]        
Vesting percentage   100.00%    
Share-based Compensation Award, Tranche One [Member] | Long Term Incentives Plan Units [Member] | Long Term Incentive Plan 2020 [Member]        
Vesting percentage   50.00%    
Share-based Compensation Award, Tranche Two [Member] | Long-Term Awards [Member]        
Share Based Compensation Estimated Percentage Of Performance Goals   25.00%    
Share-based Compensation Award, Tranche Two [Member] | Long Term Incentives Plan Units [Member]        
Vesting percentage   50.00%    
Share-based Compensation Award, Tranche Two [Member] | Long Term Incentives Plan Units [Member] | 2018 Long-Term Awards        
Vesting percentage   50.00%    
Share-based Compensation Award, Tranche Two [Member] | Long Term Incentives Plan Units [Member] | Long Term Incentive Plan 2020 [Member]        
Vesting percentage   50.00%