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Commitments and Contingencies - Other Investments (Details) | 1 Months Ended | 15 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2016 | Mar. 31, 2018 CNY (¥) | Mar. 31, 2018 USD ($) | Mar. 31, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jan. 10, 2017 CNY (¥) | Jan. 10, 2017 USD ($) | Mar. 29, 2016 USD ($)
Parent Company | Facility in Liangjiang New Area of Chongqing (the 'Joint Venture') |  |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions | 51.00% |  |  |  |  |  |  |
Chongqing Funds | Facility in Liangjiang New Area of Chongqing (the 'Joint Venture') |  |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions | 49.00% |  |  |  |  |  |  |
Corporate Joint Venture |  |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Contractual Obligation, Payment |  | ¥ 358,900,000 | $ 57,000,000 |  |  |  |  |
Total price payable under EPC Contract |  |  |  |  |  | ¥ 540,000,000 | $ 78,000,000 |
Contractual Obligation, Due in Second Calendar Year |  | ¥ 181,100,000 |  | $ 28,800,000 |  |  |  |
Corporate Joint Venture | Facility in Liangjiang New Area of Chongqing (the 'Joint Venture') |  |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Initial capitalization of joint venture |  |  |  |  |  |  |  | $ 330,000,000
Corporate Joint Venture | Design Fees |  |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Total price payable under EPC Contract |  |  |  |  |  | 19,500,000 | 2,800,000 |
Corporate Joint Venture | Construction and Procurement Fees |  |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Total price payable under EPC Contract |  |  |  |  |  | ¥ 520,500,000 | $ 75,200,000 |
Indemnification Agreement |  |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Indemnifications accrual |  |  |  | $ 0 | $ 0 |  |  |

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