Construction Contract and Other Service Revenues (Deferred Incremental Costs Incurred) (Details) - USD ($) |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
Construction contract revenue | |||
Disaggregation of Revenue [Line Items] | |||
Deferred incremental costs incurred | $ 0 | $ 0 | $ 0 |
X | ||||||||||
- Definition Deferred Incremental Costs Incurred No definition available.
|
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
X | ||||||||||
- Details
|