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Stock-Based Compensation - Summary of Option Activity (Details) - Stock options
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2020
USD ($)
$ / shares
shares
Employee and Director Options  
Options outstanding, start of year (in shares) | shares 300,000
Options granted (in shares) | shares 0
Options exercised (in shares) | shares 0
Options expired / forfeited (in shares) | shares 0
Options outstanding, end of year (in shares) | shares 300,000
Options vested and exercisable (in shares) | shares 300,000
Weighted Average Exercise Price  
Options outstanding, start of year (in dollars per share) | $ / shares $ 13.87
Options granted (in dollars per share) | $ / shares 0.00
Options exercised (in dollars per share) | $ / shares 0.00
Options expired / forfeited (in dollars per share) | $ / shares 0.00
Options outstanding, end of year (in dollars per share) | $ / shares 13.87
Options vested and exercisable, weighted average exercise price (in dollars per share) | $ / shares $ 13.87
Options outstanding, intrinsic value | $ $ 0
Options exercisable, intrinsic value | $ $ 0
Options outstanding, weighted average remaining contractual term 2 months 4 days
Options exercisable, weighted average remaining contractual term 2 months 4 days