Consolidated Statements of Partners' Capital - USD ($) $ in Thousands	Total	Limited Partner Common Interest [Member]	Limited Partner Subordinated Interest [Member]	Non-controlling Interests [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Partners' (deficit) capital, beginning balance at Dec. 31, 2013	$ 227,392	$ 125,375	$ 101,525		$ 492
Net income	1,275	675	600
Other comprehensive income (loss)	(144)				(144)
Unit-based compensation	3,138	3,138
Distribution equivalent rights paid on unissued units	(416)	(416)
Distributions	(18,179)	(9,642)	(8,537)
Partners' (deficit) capital, ending balance at Dec. 31, 2014	213,066	119,130	93,588		348
Net income	10,744	4,399	2,030	$ 4,315
Other comprehensive income (loss)	945				945
Unit-based compensation	5,474	5,474
Contributions	86,960			86,960
Distribution equivalent rights paid on unissued units	(923)	(923)
Issuance of common units, net of offering costs	102,226	102,226
Distributions	(33,272)	(17,025)	(10,247)	(6,000)
Partners' (deficit) capital, ending balance at Dec. 31, 2015	385,220	213,281	85,371	85,275	1,293
Net income	21,908	11,189	3,853	6,866
Other comprehensive income (loss)	1,364				1,364
Unit-based compensation	4,112	4,112
Net settlement of withholding taxes related to unit-based compensation	(627)	(627)
Distribution equivalent rights paid on unissued units	(1,020)	(1,020)
Distributions	(44,531)	(23,228)	(10,703)	(10,600)
Subordinated units conversion to common units		78,521	$ (78,521)
Partners' (deficit) capital, ending balance at Dec. 31, 2016	$ 366,426	$ 282,228		$ 81,541	$ 2,657