Cash and cash equivalents

12 Months Ended

Dec. 31, 2018

Cash and Cash Equivalents [Abstract]

Cash and cash equivalents

3. Cash and cash equivalents

(in thousands)	DECEMBER 31, 2018		DECEMBER 31, 2017
Cash	$	25,061	$	12,583
Cash equivalents		51,867		39,449
	$	76,928	$	52,032