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Stock-Based Compensation (Stock Appreciation Rights) (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 4 Months Ended 12 Months Ended
Dec. 31, 2022
Oct. 31, 2022
Sep. 30, 2022
Mar. 31, 2022
Mar. 31, 2021
Oct. 31, 2020
Mar. 31, 2020
Dec. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Number of Shares                      
Stock appreciation rights exercised (in shares)                 (16,671) (28,789) (6,236)
Weighted Average Exercise Price                      
Options vested, outstanding (in shares) 1,621,391             1,621,391 1,621,391    
Options non-vested (in shares) 470,471             470,471 470,471    
Weighted Average Exercise Price Per Share (in dollars per share) $ 14.68             $ 14.68 $ 14.68    
Weighted-Average Remaining Contractual Life in Years                 5 years 25 days    
Number of exercisable options (in shares) 1,621,391             1,621,391 1,621,391    
Weighted average exercise price per share (in dollars per share) $ 15.31             $ 15.31 $ 15.31    
$5.02 - $13.70                      
Weighted Average Exercise Price                      
Options vested, outstanding (in shares) 777,700             777,700 777,700    
Options non-vested (in shares) 383,485             383,485 383,485    
Weighted Average Exercise Price Per Share (in dollars per share) $ 10.15             $ 10.15 $ 10.15    
Weighted-Average Remaining Contractual Life in Years                 6 years 2 months 4 days    
Number of exercisable options (in shares) 777,700             777,700 777,700    
Weighted average exercise price per share (in dollars per share) $ 9.67             $ 9.67 $ 9.67    
$16.53 - $22.70                      
Weighted Average Exercise Price                      
Options vested, outstanding (in shares) 650,634             650,634 650,634    
Options non-vested (in shares) 86,986             86,986 86,986    
Weighted Average Exercise Price Per Share (in dollars per share) $ 19.16             $ 19.16 $ 19.16    
Weighted-Average Remaining Contractual Life in Years                 4 years 2 months 23 days    
Number of exercisable options (in shares) 650,634             650,634 650,634    
Weighted average exercise price per share (in dollars per share) $ 19.24             $ 19.24 $ 19.24    
$23.25 - $26.92                      
Weighted Average Exercise Price                      
Options vested, outstanding (in shares) 193,057             193,057 193,057    
Options non-vested (in shares) 0             0 0    
Weighted Average Exercise Price Per Share (in dollars per share) $ 24.79             $ 24.79 $ 24.79    
Weighted-Average Remaining Contractual Life in Years                 1 year 7 months 13 days    
Number of exercisable options (in shares) 193,057             193,057 193,057    
Weighted average exercise price per share (in dollars per share) $ 24.79             $ 24.79 $ 24.79    
Stock Appreciation Rights (SARs)                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Vesting period (in years)                 3 years    
Expiration period (in years)                 10 years    
Fair value assumptions                      
Risk-free interest rate (as a percent) 3.75% 4.10% 3.56% 1.67% 0.91% 0.44% 0.76%        
Dividend yield (as a percent) 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%        
Expected life 6 years 6 years 6 years 6 years 6 years 6 years 6 years        
Volatility (as a percent) 62.40% 61.30% 60.60% 60.30% 61.90% 60.30% 45.20%        
SAR grant price (usd per share) $ 6.15 $ 5.26 $ 5.02 $ 12.65 $ 18.58 $ 14.89 $ 10.29 $ 6.15 $ 6.15    
Number of Shares                      
Outstanding at beginning of period (in shares)                 2,394,055    
Granted (in shares)                 342,987    
Stock appreciation rights exercised (in shares)                 (118,618)    
Forfeited (in shares)                 (526,562)    
Outstanding at end of period (in shares) 2,091,862             2,091,862 2,091,862 2,394,055  
Weighted Average Exercise Price                      
Outstanding at beginning of period (usd per share)                 $ 14.75    
Granted (usd per share)                 12.02    
Exercised (in dollars per share)                 7.97    
Forfeited/expired (usd per share)                 14.78    
Outstanding at end of period $ 14.68             $ 14.68 $ 14.68 $ 14.75  
Outstanding - Aggregate Intrinsic Value $ 0             $ 0 $ 0 $ 8,600  
Total intrinsic value of SARs                 0 600 $ 500
Recognized stock-based compensation expense                 1,500 $ 1,800 1,700
Unrecognized stock-based compensation expense $ 1,700             $ 1,700 $ 1,700    
Unrecognized stock-based compensation expense, period of recognition                 1 year 9 months 18 days    
Unvested activity                      
Nonvested at the beginning of the period (in shares)                 664,880    
Granted (in shares)                 342,987    
Vested (in shares)                 (322,368)    
Forfeited                 (215,028)    
Nonvested at the end of the period (in shares) 470,471             470,471 470,471 664,880  
Weighted Average Grant Date Fair Value                      
Nonvested at the beginning of the period (in dollars per share)                 $ 5.63    
Granted (in dollars per share) $ 3.72 $ 3.17 $ 2.97 $ 7.20 $ 10.48 $ 8.12 $ 3.03   6.86    
Vested (in dollars per share)                 5.54    
Forfeited (in dollars per share)                 6.57    
Nonvested at the end of the period (in dollars per share) $ 6.16             $ 6.16 6.16 $ 5.63  
Stock Appreciation Rights (SARs) | $5.02 - $13.70                      
Weighted Average Exercise Price                      
Range of Exercisable Prices, low end of range (in dollars per share)                 5.02    
Range of Exercisable Prices, high end of range (in dollars per share)                 13.70    
Stock Appreciation Rights (SARs) | $16.53 - $22.70                      
Weighted Average Exercise Price                      
Range of Exercisable Prices, low end of range (in dollars per share)                 16.53    
Range of Exercisable Prices, high end of range (in dollars per share)                 22.70    
Stock Appreciation Rights (SARs) | $23.25 - $26.92                      
Weighted Average Exercise Price                      
Range of Exercisable Prices, low end of range (in dollars per share)                 23.25    
Range of Exercisable Prices, high end of range (in dollars per share)                 $ 26.92    
Performance Shares [Member]                      
Fair value assumptions                      
Risk-free interest rate (as a percent)       1.59% 0.25% 0.17% 0.56%        
Dividend yield (as a percent)       0.00% 0.00% 0.00% 0.00%        
Expected life       2 years 9 months 29 days 2 years 9 months 29 days 2 years 2 months 12 days 2 years 9 months 21 days        
Weighted Average Exercise Price                      
Recognized stock-based compensation expense                 $ 4,200 $ 5,100 3,200
Unrecognized stock-based compensation expense $ 6,400             $ 6,400 $ 6,400    
Unrecognized stock-based compensation expense, period of recognition                 1 year 8 months 12 days    
Unvested activity                      
Nonvested at the beginning of the period (in shares)                 753,793    
Granted (in shares)         316,959 11,194 513,995   500,624    
Vested (in shares)                 (378,466)    
Forfeited                 (213,999)    
Nonvested at the end of the period (in shares) 661,952             661,952 661,952 753,793  
Weighted Average Grant Date Fair Value                      
Nonvested at the beginning of the period (in dollars per share)                 $ 13.05    
Granted (in dollars per share)       $ 16.54 $ 25.38 $ 17.01 $ 4.40   16.54    
Vested (in dollars per share)                 4.80    
Forfeited (in dollars per share)                 14.51    
Nonvested at the end of the period (in dollars per share) $ 19.94             $ 19.94 $ 19.94 $ 13.05  
Performance period                 3 years    
Restricted stock units                      
Weighted Average Exercise Price                      
Recognized stock-based compensation expense                 $ 4,335 $ 4,819 $ 3,665
Unrecognized stock-based compensation expense $ 4,500             $ 4,500 $ 4,500    
Unrecognized stock-based compensation expense, period of recognition                 1 year 9 months 18 days    
Unvested activity                      
Nonvested at the beginning of the period (in shares)                 712,844    
Granted (in shares)                 514,611    
Vested (in shares)                 (342,907)    
Forfeited                 (212,964)    
Nonvested at the end of the period (in shares) 671,584             671,584 671,584 712,844  
Weighted Average Grant Date Fair Value                      
Nonvested at the beginning of the period (in dollars per share)                 $ 14.68    
Granted (in dollars per share)                 11.80    
Vested (in dollars per share)                 14.87    
Forfeited (in dollars per share)                 14.28    
Nonvested at the end of the period (in dollars per share) $ 12.51             $ 12.51 $ 12.51 $ 14.68  
Restricted stock units | Non-employee                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Vesting period (in years)                 1 year    
Restricted stock units | Officers And Key Employees                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Vesting period (in years)                 3 years    
2013 Equity and Incentive Compensation Plan | Stock Appreciation Rights (SARs)                      
Unvested activity                      
Granted (in shares)       312,987 184,641 20,526 785,152 10,000