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Note 9 RECEIVABLES (Detail) - (Table 2) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Affordable Housing
  
Allowance for credit losses balance at $ 5,019
Receivables balance at March 31, 2012 5,568
Charge offs 0
Recoveries 0
Provision (reversal), net 0
Other 0
Allowance for credit losses balance at 5,019
Other Allowance for Credit losses
  
Allowance for credit losses balance at 1,262
Receivables balance at March 31, 2012 2,848
Charge offs 0
Recoveries 0
Provision (reversal), net 455
Other (19)
Allowance for credit losses balance at 1,698
Total [Member]
  
Allowance for credit losses balance at 6,281
Receivables balance at March 31, 2012 8,416
Charge offs 0
Recoveries 0
Provision (reversal), net 455
Other (19)
Allowance for credit losses balance at $ 6,717