XML 62 R51.htm IDEA: XBRL DOCUMENT v3.21.1
Earnings Per Share Narrative (Details) - shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Restricted stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities 33,000 0