Consolidated Statement Of Operations Consolidated Statement of Operations (Parenthetical) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Consolidated Statement of Operations (Parenthetical) [Abstract]
Management fee rebate	[1]	$ 172	$ 0	$ 172	$ 0

[1] See Note 7 for further details on management fee rebates.