Related Party Transactions Related Party Transactions (Details) |
3 Months Ended | |||
|---|---|---|---|---|
|
Mar. 31, 2018
USD ($)
|
Mar. 31, 2018
CNY (¥)
|
Mar. 31, 2017
USD ($)
|
Dec. 31, 2017
USD ($)
|
|
| Related Party Transaction [Line Items] | ||||
| Non-controlling Interest, Ownership Percentage by Parent | 60.00% | |||
| Repayments of Related Party Debt | $ 14,171,000 | |||
| Note payable to related party noncurrent | 0 | $ 14,171,000 | $ 0 | |
| Related party interest expense on note payable | 0 | 249,000 | ||
| Swire Resources [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Related party service fees, interest expense and miscellaneous expenses | 71,000 | 516,000 | ||
| Related party interest expense on note payable | 249,000 | |||
| Accounts payable to related party current | $ 156,000 | $ 1,139,000 | $ 89,000 | |
| China, Yuan Renminbi | ||||
| Related Party Transaction [Line Items] | ||||
| Repayments of Related Party Debt | ¥ | ¥ 97,600,000 | |||
| X | ||||||||||
- Definition Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of interest expense incurred on a debt or other obligation to related party. No definition available.
|
| X | ||||||||||
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
|
| X | ||||||||||
- Definition The amount for notes payable (written promise to pay), payable to related parties, which are due after one year (or one business cycle). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| 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 | ||||||||||
- Definition The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|