Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation and Other Benefit Plans (Summary of Non Vested Awards) (Details)

v3.21.2
Stock-Based Compensation and Other Benefit Plans (Summary of Non Vested Awards) (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Restricted Stock [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Outstanding, Beginning Balance 1,155,000  
Awards granted 605,000  
Awards vested (543,000)  
Unvested awards forfeited (462,000)  
Outstanding, Ending Balance 755,000  
Weighted Average Grant Price, Outstanding, Beginning Balance $ 1.30  
Weighted Average Grant Price, Awards granted 3.13  
Weighted Average Grant Price, Awards vested 1.28  
Weighted Average Grant Price, Unvested awards forfeited 2.00  
Weighted Average Grant Price, Outstanding, Ending Balance $ 2.36  
Stock Appreciation Rights (SARs) [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Outstanding, Beginning Balance 2,940,000  
Awards granted 0 0
Awards exercised (2,306,000)  
Unvested awards forfeited (125,000)  
Outstanding, Ending Balance 509,000  
Outstanding, Exercisable 338,000  
Weighted Average Grant Price, Outstanding, Beginning Balance $ 1.33  
Weighted Average Grant Price, Awards exercised 1.16  
Weighted Average Grant Price, Unvested awards forfeited 2.33  
Weighted Average Grant Price, Outstanding, Ending Balance 1.83  
Weighted Average Exercise Price Per Share, Exercisable $ 1.69  
Term (in years), Outstanding 2 years 2 months 23 days  
Term (in years), Exercisable 2 years 1 month 6 days  
Aggregate Intrinsic Value, Outstanding $ 567  
Aggregate Intrinsic Value, Exercisable $ 423