Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.19.3.a.u2
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2019
Dec. 31, 2018
Common stock, par value per share $ 0.01 $ 0.01
Common stock, shares authorized 190,000,000 190,000,000
Common stock, shares outstanding 90,595,176 90,320,306
Mack-Cali Realty LP [Member]    
General partner common units outstanding 90,595,176 90,320,306
Limited partners common units outstanding 9,612,064 10,229,349