Fair Value Measurements - Recurring (Details) - USD ($) $ in Thousands |
Dec. 31, 2018 |
Mar. 31, 2018 |
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| Fair Value Measurements | ||
| Restricted cash | $ 6,000 | $ 5,000 |
| Recurring | Total | ||
| Fair Value Measurements | ||
| Restricted cash | 6,000 | 5,000 |
| Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | ||
| Fair Value Measurements | ||
| Restricted cash | $ 6,000 | $ 5,000 |
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- 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.
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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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