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Related Party Transactions (Management/Subcontracting agreement) (Narrative) (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Related Party Transaction [Line Items] |  |  |  |  |
Line of credit facility, letters of credit issued | $ 123,700 | $ 123,700 | $ 123,700 |  | $ 151,800
Noncontrolling interest, percentage of voting interests acquired | 15.00% | 15.00% | 15.00% |  |
Payments to non-controlling interests, including acquisition of interests and distributions | $ 6,800 |  | $ (8,888) | $ 0 |
Subcontracting Arrangements | Management | 2019 Acquisitions |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Receivables, net, related party | 400 | $ 400 | 400 |  | 400
Charges, related party |  | 200 | 400 |  |
Subcontracting Arrangements | Management | 2019 Acquisitions | Line of Credit |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Line of credit facility, letters of credit issued | $ 15,000 | $ 15,000 | $ 15,000 |  |
Community Condotte DeMoya JV, LLC |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Equity method investments, ownership percentage | 25.00% | 25.00% | 25.00% |  |
Negative equity method investment | $ (1,600) | $ (1,600) | $ (1,600) |  | (2,000)
Community Condotte DeMoya JV, LLC | Subcontracting Arrangements | Management |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Receivables, net, related party | $ 2,300 | $ 2,300 | $ 2,300 |  | $ 1,900

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