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v3.21.2

Contingencies (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 | Jun. 30, 2021 USD ($) segment | Jun. 30, 2020 | Dec. 31, 2020 USD ($)
Contingencies |  |  |  |  |
Number of reporting units | segment |  |  | 4 |  |
Cayman Water Retail Operations, Percentage Of Revenue | 34.00% | 31.00% | 34.00% | 33.00% |
Cayman Water Retail Operations, Percentage Of Gross Profit | 48.00% | 44.00% | 48.00% | 47.00% |
WSC [Member] |  |  |  |  |
Contingencies |  |  |  |  |
Accounts Receivable, Net | $ 21.3 |  | $ 21.3 |  | $ 16.8
Payments in accounts receivable | $ 3.6 |  | $ 5.1 |  |

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