Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value Disclosures [Abstract]

Financial Assets And Liabilities Subject To Fair Value Measurement Provisions

Our financial assets and liabilities that are measured at fair value on a recurring basis consisted of the following as of December 31, 2012 (in thousands):

Financial Assets	Level 1		Level 2		Level 3		Fair Value at December 31, 2012
Money market funds	$	34,403	$	—	$	—	$	34,403
Stock	197		—		—		197
Derivative instruments - assets	—		1,493		—		1,493
Total assets at fair value	$	34,600	$	1,493	$	—	$	36,093

Financial Liabilities	Level 1		Level 2			Level 3		Fair Value at December 31, 2012
Derivative instruments - liabilities	$	—	$	(555	)	$	—	$	(555	)
Total liabilities at fair value	$	—	$	(555	)	$	—	$	(555	)

Our financial assets and liabilities that are measured at fair value on a recurring basis consisted of the following as of December 31, 2011 (in thousands):

Financial Assets	Level 1		Level 2		Level 3		Fair Value at December 31, 2011
Money market funds	$	15,275	$	—	$	—	$	15,275
Certificates of deposit	—		3,555		—		3,555
Stock	170		—		—		170
Derivative instruments - assets	—		985		—		985
Total assets at fair value	$	15,445	$	4,540	$	—	$	19,985

Financial Liabilities	Level 1		Level 2			Level 3		Fair Value at December 31, 2011
Derivative instruments - liabilities	$	—	$	(1,801	)	$	—	$	(1,801	)
Total liabilities at fair value	$	—	$	(1,801	)	$	—	$	(1,801	)