Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2016

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

	Year Ended December 31,
	2016		2015		2014
Non-cash investing and financing activities:
Purchase of property and equipment in accounts payable	$	4,364	$	1,784	$	574
Additional cash payment information:
Interest paid	1,467		818		903
Income tax paid	16,409		9,393		146