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Long Term Investments (Tables)
3 Months Ended
Mar. 31, 2012
Long-term Investments [Abstract]  
Long-term investments
Long-term investments accounted for at cost:

 
March 31, 2012
 
December 31, 2011
 
Carrying
 
Fair
 
Carrying
 
Fair
 
Value
 
Value
 
Value
 
Value
Investment partnerships
$
4,776

 
$
6,122

 
$
4,776

 
$
6,199

Real estate partnership
899

 
1,297

 
899

 
1,293

Investments accounted for at cost
$
5,675

 
$
7,419

 
$
5,675

 
$
7,492

Equity method investments
Long-term investments consist of the following investments accounted for under the equity method:

 
March 31, 2012
 
December 31, 2011
Investment partnerships
$
24,431

 
$
16,499