Annual report pursuant to Section 13 and 15(d)

Share Based Compensation (Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity) (Details)

v3.20.4
Share Based Compensation (Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity) (Details) - Restricted Stock
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Number of Shares  
Nonvested, beginning balance (in shares) | shares 241,180
Granted (in shares) | shares 167,650
Vested (in shares) | shares (55,940)
Nonvested, ending balance (in shares) | shares 352,890
Weighted Average Grant Price  
Nonvested, beginning balance, Weighted Average Grant Price (in dollars per share) | $ / shares $ 44.55
Granted, Weighted Average Grant Price (in dollars per share) | $ / shares 32.65
Vested, Weighted Average Grant Price (in dollars per share) | $ / shares 44.39
Nonvested, ending balance, Weighted Average Grant Price (in dollars per share) | $ / shares $ 38.92