Related Party Transactions (Details) - Angel Pond Capital LLC $ in Thousands  | 
3 Months Ended | 
|---|---|
| 
 Mar. 31, 2019  
USD ($) 
 | |
| Related Party Transaction [Line Items] | |
| Consulting agreement | 1 year | 
| Payment for fees | $ 30 | 
| Future payment | $ 1,000 | 
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- Definition Related Party Transaction, Consulting Agreement No definition available. 
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- Definition Related Party Transaction, Future Payment To Related Party No definition available. 
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- Definition Amount of cash outflow for fees classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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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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- Details 
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