Condensed Consolidated Statements of Partners' Capital and Noncontrolling Interests (Unaudited) - 3 months ended Mar. 31, 2018 - USD ($) $ in Thousands	Total	Noncontrolling Interests	General Partners	Limited Partners
Beginning balance (in units) at Dec. 31, 2017	4,311,065
Beginning balance at Dec. 31, 2017	$ 240,626	$ 176,079	$ 1,028	$ 63,519
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income (loss)	5,715	(3)	79	5,639
Cash distributions	(6,533)	(3,481)	(42)	(3,010)
Capital call	$ 92,280	92,280
Equity-based compensation (in units)	15,205
Equity-based compensation	$ 523		7	516
Units issued under distribution reinvestment plan (in units)	856
Units issued under distribution reinvestment plan	$ 59			59
Unit repurchases (in units)	(4,125)
Unit repurchases	$ (292)			(292)
Payroll taxes paid on unit net settlements (in units)	(1,466)
Payroll taxes paid on unit net settlements	$ (102)		(1)	(101)
Ending balance (in units) at Mar. 31, 2018	4,321,535
Ending balance at Mar. 31, 2018	$ 332,276	$ 264,875	$ 1,071	$ 66,330