Related Party Transactions (Details) $ in Millions	3 Months Ended
Mar. 31, 2017 USD ($)
Private Placement \| Board of Directors Chairman \| Class A common shares/units
Related Party Transaction
Proceeds from issuance of stock in private placement offering	$ 50.0

Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.

No definition available.

Name:	us-gaap_SaleOfStockConsiderationReceivedPerTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration