Capital and Accumulated Other Comprehensive (Loss) Income (Tables)
 12 Months Ended
Dec. 31, 2012
Stockholders' Equity Note [Abstract]  
Accumulated Other Comprehensive Loss
Changes, net of tax, in Accumulated other comprehensive loss are as follows:

 

Unrealized gain on available-for-sale securities
 
Cumulative translation adjustment
 
Change in net pension and other benefit obligations
 
 



Total
Balance at December 31, 2011
$
32,351

 
$
(1,649
)
 
$
(42,439
)
 
$
(11,737
)
Current period other comprehensive gain (loss)
12,170

 
(214
)
 
(18,081
)
 
(6,125
)
Balance at December 31, 2012
$
44,521

 
$
(1,863
)
 
$
(60,520
)
 
$
(17,862
)