CONSOLIDATED STATEMENTS OF MEMBERS’ EQUITY - USD ($) $ in Thousands	Total	Units	Members’ Equity	Accumulated Other Comprehensive (Loss) Income
Balance at Dec. 31, 2013	$ 349,986		$ 341,045	$ 8,941
Balance in units at Dec. 31, 2013		42,656,281
Net income	61,427		61,427	0
Other comprehensive income (loss)	(14,716)		0	(14,716)
Distributions to unitholders	(93,098)		(93,098)	0
Unit-based compensation	7,251		7,251	0
Other	(14)		(14)	0
Balance in units at Dec. 31, 2014		42,913,277
Balance at Dec. 31, 2014	310,836		316,611	(5,775)
Net income	72,208		72,208	0
Other comprehensive income (loss)	(2,889)		0	(2,889)
Distributions to unitholders	(93,567)		(93,567)	0
Unit-based compensation	468		468	0
Other	14		14	0
Balance in units at Dec. 31, 2015		42,930,549
Balance at Dec. 31, 2015	287,070		295,734	(8,664)
Net income	55,068		55,068	0
Other comprehensive income (loss)	(5,210)		0	(5,210)
Distributions to unitholders	(93,590)		(93,590)	0
Unit-based compensation	450		450	0
Balance in units at Dec. 31, 2016		42,951,749
Balance at Dec. 31, 2016	$ 243,788		$ 257,662	$ (13,874)