Cash and cash equivalents

9 Months Ended

Sep. 30, 2018

Cash and Cash Equivalents [Abstract]

Cash and cash equivalents

3. Cash and cash equivalents

(in thousands)	SEPTEMBER 30, 2018		DECEMBER 31, 2017
Cash	$	35,152	$	12,583
Cash equivalents		51,579		39,449
	$	86,731	$	52,032