Credit Risk (Tables)

6 Months Ended

Jun. 30, 2016

Receivables [Abstract]

Schedule of changes in the allowance for doubtful accounts

The following table summarizes the changes in the allowance for doubtful accounts during the six months endedJune 30, 2016(in thousands):

Balance at beginning of period	$	1,060
(Reversed) to expense	(17		)
Write-offs, net of amounts recovered	(60		)
Foreign currency translation adjustment	5
Balance at end of period	$	988