Variable Interest Entities (Details) $ in Millions |
Jun. 30, 2020
USD ($)
property
|
Dec. 31, 2019
USD ($)
property
|
---|---|---|
Variable Interest Entity [Line Items] | ||
Number of Real Estate Properties | property | 63 | |
JBG Smith, LP | ||
Variable Interest Entity [Line Items] | ||
Ownership interest by parent | 90.40% | |
Variable Interest Entity, Not Primary Beneficiary | ||
Variable Interest Entity [Line Items] | ||
Assets | $ 164.6 | $ 242.9 |
Variable Interest Entity, Primary Beneficiary | ||
Variable Interest Entity [Line Items] | ||
Number of Real Estate Properties | property | 0 | 2 |
Assets | $ 136.8 | |
Liabilities | $ 11.8 |