Cash and Cash Equivalents

12 Months Ended

Dec. 31, 2016

Cash and Cash Equivalents [Abstract]

Cash and Cash Equivalents Disclosure [Text Block]

Cash and Cash Equivalents

The following table presents for each reported period, the breakdown of cash and cash equivalents:  

	Year Ended December 31,
	2015		2016
	(in thousands)
Money market funds	$	54,188	$	31,688
Interest-bearing bank deposits	114,127		88,091
Cash and cash equivalents	185,222		150,538
Total Cash and cash equivalents	$	353,537	$	270,317

The short-term investments included investments in money market funds and interest–bearing bank deposits which met ASC 230—Statement of Cash flows criteria: short-term, highly liquid investments, for which the risks of changes in value are considered to be insignificant.

The following table shows the allocation by currency of our financial liabilities and cash and cash equivalents:

			Currency
	Carrying value		EUR		GBP		USD		CNY		JPY		KRW		Other
	(in thousands)
Borrowings	$	82,921	$	3,289	$	—	$	75,253	$	4,379	$	—	$	—	$	—
Other financial liabilities	691		450		—		241		—		—		—		—
Financial derivatives	1,968		1,968		—		—		—		—		—		—
Financial liabilities	85,580		5,707		—		75,494		4,379		—		—		—
Cash and cash equivalents	$	270,317	$	197,997	$	2,887	$	29,636	$	3,074	$	17,316	$	2,531	$	16,876