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Employee Benefit Plans - PSU Awards (Details) - PSUs
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Jan. 04, 2021
$ / shares
shares
Jan. 31, 2022
USD ($)
$ / shares
shares
Jan. 31, 2021
USD ($)
$ / shares
shares
Jan. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
item
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of components of PSUs granted | item         2    
Awards granted based on the performance of our common stock against peer group companies (as a percent)         50.00%    
Awards granted based on cumulative total Free Cash Flow (as a percent)         50.00%    
Payout at vesting (as a percent)     200.00% 200.00%      
Units              
Awards outstanding at beginning of year (in shares)   1,381,469 1,297,126 1,565,044 1,297,126 1,565,044 1,006,360
Stock awards granted (in shares) 452,381       452,381 369,938 688,540
Vested (in shares)     (368,038) (589,335) (368,038) (589,335)  
Forfeited (in shares)           (48,521) (129,856)
Awards outstanding at end of year (in shares)         1,381,469 1,297,126 1,565,044
Grant Date Fair Value              
Awards outstanding at beginning of year (in dollars per share) | $ / shares   $ 8.34 $ 9.99 $ 10.17 $ 9.99 $ 10.17 $ 11.76
Granted (in dollars per share) | $ / shares $ 5.33       5.33 13.15 7.60
Vested (in dollars per share) | $ / shares         10.44 12.64  
Forfeited (in dollars per share) | $ / shares           7.60 8.91
Awards outstanding at end of year (in dollars per share) | $ / shares         $ 8.34 $ 9.99 $ 10.17
Compensation cost | $         $ 4.1 $ 4.0 $ 5.1
Future share-based compensation | $         $ 3.9    
Weighted average vesting period (in years)         10 months 24 days    
Shares issued upon vesting     736,075 1,178,670      
Fair value of awards vested | $     $ 3.1 $ 11.4      
Subsequent Event              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Payout at vesting (as a percent)   157.00%          
Units              
Stock awards granted (in shares)   1,065,705          
Vested (in shares)   (559,150)          
Grant Date Fair Value              
Granted (in dollars per share) | $ / shares   $ 4.25          
Shares issued upon vesting   876,469          
Fair value of awards vested | $   $ 3.2          
Minimum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Payout at vesting (as a percent)         0.00%    
Maximum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Payout at vesting (as a percent)         200.00%