Condensed Consolidated Statements of Partners' Capital and Noncontrolling Interests (Unaudited) - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands	Total	Noncontrolling Interests	General Partners	Limited Partners
Beginning balance at Dec. 31, 2016	$ 248,464	$ 189,331	$ 934	$ 58,199
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	12,071	6,885	72	5,114
Cash distributions	(35,527)	(26,359)	(127)	(9,041)
Capital call	825	825
Equity-based compensation	950		13	937
Units issued under Distribution Reinvestment Plan	4			4
Unit repurchases	(648)			(648)
Payroll taxes paid on unit net settlements	(94)		(1)	(93)
Ending balance at Sep. 30, 2017	$ 226,045	$ 170,682	$ 891	$ 54,472