Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0001459200 (http://www.sec.gov/CIK)

Payables and Accruals [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Payables and Accruals [Abstract]
Schedule of Accounts Payable. Accrued Expenses and Other Current Liabilities	The components of accounts payable, accrued expenses and other current liabilities are as follows (in thousands):        December 31,   2016   2015 Accounts payable $ 18,289   $ 12,813 Accrued expenses 5,298   4,244 Subsidiary unit awards 2,506   — Other current liabilities 2,207   2,219 Accounts payable, accrued expenses and other current liabilities $ 28,300   $ 19,276
Schedule of Other Liabilities	The components of other liabilities (in thousands):        December 31,   2016   2015 Deferred rent $ 11,056   $ 8,435 Other liabilities 2,501   2,049 Other liabilities $ 13,557   $ 10,484