Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation - Restricted Stock Units (Details)

v3.20.4
Stock Based Compensation - Restricted Stock Units (Details) - Restricted Stock
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Restricted Stock Award, Number of Shares  
Nonvested restricted, beginning balance (in shares) | shares 267,500
Vested (in shares) | shares (111,667)
Nonvested restricted, ending balance (in shares) | shares 155,833
Restricted Stock Award Weighted Average Grant Date Fair Value [Abstract]  
Beginning of period (in dollars per share) | $ / shares $ 4.92
Vested (in dollars per share) | $ / shares 4.93
End of period (in dollars per share) | $ / shares $ 4.91