Supplemental Cash Flow Information

9 Months Ended

Sep. 30, 2017

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

	Three months ended					Nine months ended
	September 30, 2017		September 30, 2016			September 30, 2017		September 30, 2016
Supplemental disclosures:	(in thousands)
Interest paid	$	—	$	—		$	—	$	—
Income taxes paid	$	2,650	$	8,551		$	7,138	$	19,398
Non-cash investing and financing activities:
Non-cash capital expenditures	$	7,835	$	(1,211	)	$	8,059	$	101
Dividends declared	—		—			6,849		5,834