Date the declared dividend will be paid, in CCYY-MM-DD format.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

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Period Type:	instant

- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

+ References

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent Events Subsequent Events (Details) - Subsequent Event [Member] - $ / shares	Feb. 10, 2017	Jan. 30, 2017	Jan. 19, 2017
Subsequent Event [Line Items]
Dividends Payable, Date Declared			Jan. 19, 2017
Dividends Payable, Date to be Paid	Feb. 10, 2017
Dividends Payable, Date of Record		Jan. 30, 2017
Common Class A Stoc
Subsequent Event [Line Items]
Dividends Payable, Amount Per Share			$ 0.24