Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share and Earnings Per Unit - Additional Information (Detail)

v3.20.2
Earnings Per Share and Earnings Per Unit - Additional Information (Detail) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Restricted Stock [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Securities not included in the effect of dilutive securities 117,322 82,108 108,010 77,939