Variable Interest Entities (Tables)
3 Months Ended
Mar. 31, 2013
Variable Interest Entity [Abstract]  
Carrying Amount and Maximum Exposure to Loss Relating to VIEs
The following table presents the carrying amount and maximum exposure to loss relating to VIEs for which the Company holds a variable interest, but is not the primary beneficiary, and which had not been consolidated at March 31, 2013 and December 31, 2012. The table includes investments in six real estate joint ventures and 26 affordable housing real estate joint ventures at March 31, 2013 and investments in seven real estate joint ventures and 26 affordable housing real estate joint ventures at December 31, 2012.
 
 
March 31
2013
 
December 31
2012
 
Carrying
Amount
 
Maximum
Exposure
to Loss
 
Carrying
Amount
 
Maximum
Exposure
to Loss
Real estate joint ventures
$
22,286

 
$
22,286

 
$
22,440

 
$
22,440

Affordable housing real estate joint ventures
21,972

 
60,449

 
22,704

 
60,527

Total
$
44,258

 
$
82,735

 
$
45,144

 
$
82,967