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Formation and Organization - Exchange and Registration Rights (Details)	12 Months Ended
	Dec. 31, 2016
Common Class A
Class of Stock [Line Items]
Common stock, exchange ratio	1

X

- Definition

Conversion of Stock, Exchange Ratio

+ References

No definition available.

+ Details

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Period Type:	duration

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.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: