Earnings Per Share / Unit (EPS / EPU) - Additional Information (Details) - shares |
Mar. 31, 2019 |
Mar. 31, 2018 |
---|---|---|
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | ||
Unvested Restricted Stock / Unit Awards | 287,273 | 410,132 |
First Industrial, L.P. | ||
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | ||
Unvested Restricted Stock / Unit Awards | 407,457 | 410,132 |