Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 7,385	$ 4,693
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,819	2,189
Loss (gain) associated with derivative instruments	1,270	(1,731)
Settlement of derivative contracts	1,036	1,678
Amortization of deferred financing costs	430	319
Unit based compensation expense	1,697	1,401
Deferred income taxes	(96)	878
Changes in operating assets and liabilities:
Accounts receivable	207	1,241
Accounts receivable — related party	1,760	(2,046)
Prepaid expenses and other current assets	(460)	(4,040)
Accounts payable and accrued expenses	(1,961)	(1,603)
Accounts payable and accrued expenses — related party	24	(642)
Deferred revenue and other liabilities	2,729	11,762
Deferred revenue — related party	(629)	867
Change in restricted cash	(633)	323
Net cash provided by operating activities	22,578	15,289
Cash flows from investing activities:
Additions of property and equipment	(246)	(733)
Purchase of derivative contracts	0	(1,167)
Net cash used in investing activities	(246)	(1,900)
Cash flows from financing activities:
Distributions	(14,396)	(11,414)
Vested phantom units used for payment of participant withholding taxes	(77)	0
Proceeds from long-term debt	10,000	12,000
Repayment of long-term debt	(18,902)	(16,018)
Net cash used in financing activities	(23,375)	(15,432)
Effect of exchange rates on cash	439	(318)
Net change in cash and cash equivalents	(604)	(2,361)
Cash and cash equivalents – beginning of period	10,500	40,249
Cash and cash equivalents – end of period	$ 9,896	$ 37,888