Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.21.2
Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2021
Dec. 31, 2020
Common stock, par value per share $ 0.01 $ 0.01
Common stock, shares authorized 190,000,000 190,000,000
Common stock, shares outstanding 90,947,154 90,712,417
Mack-Cali Realty LP [Member]    
General Partner common units outstanding 90,947,154 90,712,417
Limited partners common units outstanding 9,037,532 9,649,031