Credit Risk (Tables)

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Schedule of Allowance for Doubtful Accounts

The following table summarizes the changes in the allowance for doubtful accounts during the three months endedMarch 31, 2016(in thousands):

Balance at beginning of period	$	1,060
Charged (reversed) to expense	7
Write-offs, net of amounts recovered	(17		)
Foreign currency translation adjustment	4
Balance at end of period	$	1,054