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Income Taxes Company's uncertain tax positions (Tables)
12 Months Ended
Dec. 31, 2012
Company's uncertain tax positions [Abstract]  
Summary of Income Tax Contingencies [Table Text Block]
The following is a rollforward of the Company's uncertain tax positions for the years ended December 31, 2012 and 2011 (in thousands):
 
Year ended 31 December
 
2012
 
2011
Balance as of the beginning of the year
$
4,355

 
$
4,537

Tax positions related to current year:
 
 
 
Additions
80

 
241

Reductions

 

Tax positions related to prior years:
 
 
 
Additions

 
167

Reductions
(405
)
 

Settlements

 

Lapses in statute of limitations
(648
)
 
(590
)
Balance as of the end of the year
$
3,382

 
$
4,355