Consolidated Statements Of Cash Flows (Parenthetical) - USD ($) $ in Thousands |
Sep. 30, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Dec. 31, 2016 |
|---|---|---|---|---|
| Restricted cash | $ 20,119 | $ 39,792 | $ 40,473 | $ 53,952 |
| Mack-Cali Realty LP [Member] | ||||
| Restricted cash | $ 20,119 | $ 39,792 | $ 40,473 | $ 53,952 |