Interest and Other (Loss) Income, net - Schedule of Interest and Other (Loss) Income, Net (Parenthetical) (Details) - PGRESS Equity Holdings L.P. [Member] $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Preferred equity investment income, attributable to parent	$ 111
Preferred equity ownership percentage	24.40%