Cash and cash equivalents

6 Months Ended

Jun. 30, 2018

Cash and Cash Equivalents [Abstract]

Cash and cash equivalents

3. Cash and cash equivalents

(in thousands)	JUNE 30, 2018		DECEMBER 31, 2017
Cash	$	49,244	$	12,583
Cash equivalents		49,886		39,449
	$	99,130	$	52,032