BONDS AVAILABLE-FOR-SALE (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Non Accrual Bonds	$ 40,500		$ 40,500		$ 43,600
Non Accrual Bonds Interest Income Cash Basis Method	400	$ 3,400	1,200	$ 4,600
Interest Income Non Accrual Bonds Not Recognized	400	$ 900	1,300	2,300
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value					1,800
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value					6,000
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis	15,000		15,000
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	24,900		24,900
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities, Before Tax					600
Available For Sale Debt Securities Gross Unrealized Losses Excluding Other Than Temporary Impairments					300
Increase Decrease in Fair Value Of Bonds			(4,800)
Proceeds From Sale or Redemption Of Available For Sale Securities			10,900	$ 7,400
Unpaid Principal Balance	226,405		226,405		249,124
Fair Value	$ 218,058		$ 218,058		$ 222,899
Weighted average pay rate on available-for-sale bonds	5.50%		5.50%		5.20%
Mortgage Revenue Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Unpaid Principal Balance	$ 164,020		$ 164,020		$ 192,068
Fair Value	156,324		156,324		167,184
Other Debt Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Unpaid Principal Balance	62,385		62,385		57,056
Fair Value	$ 61,734		$ 61,734		$ 55,715