Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2016

Cash Flow Information

Schedule of supplemental cash flow information

	For the Year Ended
	December 31,
	2016		2015		2014
Cash paid during the year:
Income taxes paid	$	—	$	—	$	—
Interest paid, net of amounts capitalized		13,706		16,178		14,667
Non-cash investing activities - capital assets acquired under installment contracts		1,309		90		6,005