Cash Flows (Tables)

12 Months Ended

Dec. 31, 2016

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Supplemental disclosures of cash flow information were as follows:

	Year Ended December 31,
	2016		2015		2014
	(In thousands)
Non-cash operating activities were as follows:
Income taxes paid	$	415	$	456	$	1
Interest paid, excluding amounts capitalized	25,303		13,411		1,837
Non-cash investing activities were as follows:
Accrued capital expenditures	$	3,326	$	2,421	$	8,653
Non-cash financing activities were as follows:
Contribution of net assets from affiliate	$	104,796	$	133,259	$	60,870
Accrued TexNew Mex unit distributions	—		310		—
Accrued financing costs	67		—		—
Other	—		—		(2,502		)