Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
| Significant Accounting Policies [Abstract] | ||||
| Capitalized development and construction salaries and other related costs | $ 0.7 | $ 0.4 | $ 1.9 | $ 1.3 |
| Maximum period after cessation of major construction activity that projects are considered complete | 1 year | |||
| X | ||||||||||
- Definition Capitalized Development, Construction Salaries And Other Related Expenses No definition available.
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| X | ||||||||||
- Definition Maximum Period After Cessation Of Major Construction Activity That Projects Are Considered Complete No definition available.
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| X | ||||||||||
- References No definition available.
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