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Stockholders' Equity - Stock Options and Restricted Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Stock-based compensation, general disclosures.          
Stock-based compensation expense $ 2,892 $ 2,658 $ 5,121 $ 5,115  
Common stock options          
Stock-based compensation, general disclosures.          
Stock-based compensation expense 600 $ 1,100 1,400 $ 2,300  
Total unrecognized pre-tax compensation expense related to nonvested stock option awards $ 1,700   $ 1,700    
Weighted-average period over which unrecognized compensation cost is expected to be recognized     1 year 8 months 12 days    
Options Outstanding          
Outstanding at beginning of period     915,224    
Exercised     (90,169)    
Forfeited     (47,509)    
Cancelled/Expired     (54,775)    
Outstanding at end of period 722,771   722,771   915,224
Weighted Average Exercise Price Per Share          
Outstanding at beginning of period     $ 39.33    
Exercised     1.69    
Forfeited     47.38    
Cancelled/Expired     46.10    
Outstanding at end of period $ 42.99   $ 42.99   $ 39.33
Other information          
Options exercisable number of shares exercisable 482,154 509,575 482,154 509,575  
Options exercisable, weighted-average exercise price $ 41.52 $ 31.20 $ 41.52 $ 31.20  
Weighted average remaining contractual life (in years)     4 years 9 months 18 days   5 years
Options exercisable, weighted-average remaining contractual life     4 years 6 months    
Aggregate Intrinsic Value, Options outstanding $ 45   $ 45   $ 2,068
Aggregate Intrinsic Value, Exercised     910    
Aggregate Intrinsic Value, Options exercisable 45   $ 45    
Common stock options | Minimum          
Stock-based compensation, general disclosures.          
Vesting period (in years)     3 years    
Term (in years)     7 years    
Common stock options | Maximum          
Stock-based compensation, general disclosures.          
Vesting period (in years)     4 years    
Term (in years)     10 years    
2016 Plan | Time-Based Restricted Stock Units          
Stock-based compensation, general disclosures.          
Stock-based compensation expense 1,600 $ 1,200 $ 3,000 $ 2,500  
Total unrecognized pre-tax compensation expense related to awards $ 10,500   $ 10,500    
Weighted-average period over which unrecognized compensation cost is expected to be recognized     2 months 3 days    
Units Outstanding          
Restricted stock unit awards outstanding at the beginning of the period (in shares)     259,147    
Granted (in shares)     407,844    
Vested (in shares)     70,594    
Cancelled (in shares)     (37,217)    
Restricted stock unit awards outstanding at the end of the period (in shares) 559,180   559,180   259,147
Weighted Average Grant Date Fair Value Per Unit          
Restricted stock unit awards outstanding at the beginning of the period (in dollars per share)     $ 42.32    
Granted (in dollars per share)     17.05    
Vested (in dollars per share)     51.30    
Cancelled (in dollars per share)     32.94    
Restricted stock unit awards outstanding at the end of the period (in dollars per share) $ 23.38   $ 23.38   $ 42.32
Aggregate Intrinsic Value          
Restricted stock unit awards, Average Intrinsic Value $ 4,082   $ 4,082   $ 4,932
2016 Plan | Time-Based Restricted Stock Units | Minimum          
Stock-based compensation, general disclosures.          
Vesting period (in years)     1 year    
2016 Plan | Time-Based Restricted Stock Units | Maximum          
Stock-based compensation, general disclosures.          
Vesting period (in years)     3 years    
2016 Plan | Performance-based stock-settled restricted stock units          
Stock-based compensation, general disclosures.          
Stock-based compensation expense 300 $ 200 $ 100 $ 100  
Total unrecognized pre-tax compensation expense related to awards $ 2,500   $ 2,500    
Weighted-average period over which unrecognized compensation cost is expected to be recognized     2 years 6 months    
Units Outstanding          
Restricted stock unit awards outstanding at the beginning of the period (in shares)     54,317    
Granted (in shares)     131,710    
Vested (in shares)     1,853    
Cancelled (in shares)     (20,147)    
Restricted stock unit awards outstanding at the end of the period (in shares) 164,027   164,027   54,317
Weighted Average Grant Date Fair Value Per Unit          
Restricted stock unit awards outstanding at the beginning of the period (in dollars per share)     $ 50.22    
Granted (in dollars per share)     18.54    
Vested (in dollars per share)     19.03    
Cancelled (in dollars per share)     23.18    
Restricted stock unit awards outstanding at the end of the period (in dollars per share) $ 25.11   $ 25.11   $ 50.22
Aggregate Intrinsic Value          
Restricted stock unit awards, Average Intrinsic Value $ 1,197   $ 1,197   $ 1,034
2016 Plan | Performance-based stock-settled restricted stock units | Minimum          
Units Outstanding          
Percentage to earn or vest the performance-based stock-settled restricted stock units     50.00%    
2016 Plan | Performance-based stock-settled restricted stock units | Maximum          
Units Outstanding          
Percentage to earn or vest the performance-based stock-settled restricted stock units     150.00%    
2016 Plan | Tranche one | Performance-based stock-settled restricted stock units          
Stock-based compensation, general disclosures.          
Compensation arrangement     33.33%    
2016 Plan | Tranche two | Performance-based stock-settled restricted stock units          
Stock-based compensation, general disclosures.          
Compensation arrangement     66.67%