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Stock-Based Compensation - Stock Appreciation Rights (Details) - Stock Appreciation Rights (SARs) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
NUMBER OF SHARES  
Beginning balance (in shares) 212,044
Granted (in shares) 70,700
Exercised (in shares) 0
Canceled (in shares) (44,395)
Ending balance (in shares) 238,349
Stock exercisable (in shares) 83,873
WEIGHTED AVERAGE EXERCISE PRICE  
Beginning balance (in dollars per share) $ 32.28
Granted (in dollars per share) 15.97
Exercised (in dollars per share) 0
Canceled (in dollars per share) 31.05
Ending balance (in dollars per share) 27.67
Stock exercisable (in dollars per share) $ 38.63
WEIGHTED AVERAGE REMAINING CONTRACTUAL LIFE (YEARS)  
Stock outstanding (in years) 3 years 14 days
Stock exercisable (in years) 2 years 1 month 9 days
AGGREGATE INTRINSIC VALUE  
Stock outstanding $ 0
Stock exercisable $ 0