Credit Risk (Tables)

6 Months Ended

Jun. 30, 2014

Receivables [Abstract]

Schedule of Allowance for Doubtful Accounts

The following table summarizes the changes in the allowance for doubtful accounts during the six months endedJune 30, 2014(in thousands):

	Six months ended
	June 30, 2014
Balance at beginning of period	$	2,183
Charged (reversed) to expense	(43		)
Write-offs, net of amounts recovered	2
Foreign currency translation adjustment	(9		)
Balance at end of period	$	2,133