Fair Value Measurement (Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Cash equivalents		$ 107,494
Marketable securities	$ 5,771	62,442
Foreign currency derivatives	196	667
Interest rate swap contracts
Liabilities:
Derivative liabilities		2,403
Foreign currency derivatives
Liabilities:
Derivative liabilities	5,911	3,515
Level I
Assets:
Cash equivalents		107,494
Marketable securities	5,771	62,442
Foreign currency derivatives	0	0
Level I | Interest rate swap contracts
Liabilities:
Derivative liabilities		0
Level I | Foreign currency derivatives
Liabilities:
Derivative liabilities	0	0
Level II
Assets:
Cash equivalents		0
Marketable securities	0	0
Foreign currency derivatives	196	667
Level II | Interest rate swap contracts
Liabilities:
Derivative liabilities		2,403
Level II | Foreign currency derivatives
Liabilities:
Derivative liabilities	5,911	3,515
Level III
Assets:
Cash equivalents		0
Marketable securities	0	0
Foreign currency derivatives	0	0
Level III | Interest rate swap contracts
Liabilities:
Derivative liabilities		0
Level III | Foreign currency derivatives
Liabilities:
Derivative liabilities	$ 0	$ 0