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Stock-Based Compensation - Schedule of Share-based Compensation, Restricted Stock Activity (Details) - Restricted Stock [Member]
3 Months Ended
Mar. 31, 2020
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Unvested at beginning of period 1,843,001
Number of Shares, Granted 188,944
Number of Shares, Vested (452,067) [1]
Number of Shares, Forfeited (5,000)
Number of Shares, Unvested at end of period 1,574,878
[1] The number of vested restricted stock units includes shares that were withheld on behalf of employees to satisfy the minimum statutory tax withholding requirements.