|
Carrying Amount and Maximum Exposure to Loss Relating to VIEs (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Variable Interest Entity [Line Items] | ||
| Carrying Amount | $ 47,123 | $ 56,300 |
| Maximum Exposure to Loss | 84,452 | 96,675 |
|
Real Estate Joint Ventures
|
||
| Variable Interest Entity [Line Items] | ||
| Carrying Amount | 24,033 | 35,551 |
| Maximum Exposure to Loss | 24,033 | 35,551 |
|
Affordable Housing Real Estate Joint Ventures
|
||
| Variable Interest Entity [Line Items] | ||
| Carrying Amount | 23,090 | 20,749 |
| Maximum Exposure to Loss | $ 60,419 | $ 61,124 |