Cash and cash equivalents (Tables)

9 Months Ended

Sep. 30, 2017

Cash and Cash Equivalents [Abstract]

Schedule of Cash and Cash Equivalents

(in thousands)	SEPTEMBER 30, 2017		DECEMBER 31, 2016
Cash	$	23,538	$	3,726
Cash equivalents		23,567		28,575
	$	47,105	$	32,301