FAIR VALUE MEASUREMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Net (Losses) gains on bonds [Member]
Change in realized gains related to assets and liabilities	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]
Change in unrealized losses related to assets and liabilities	(480)	[1]	(849)	[1]	(833)	[1]	(1,087)	[1]
Additional realized gains (losses) recognized	416	[1]	52	[1]	598	[1]	52	[1]
Total (losses) gains reported in earnings	(64)	[1]	(797)	[1]	(235)	[1]	(1,035)	[1]
Equity in Losses from Lower Tier Property Partnerships [Member]
Change in realized gains related to assets and liabilities	0		0		0		0
Change in unrealized losses related to assets and liabilities	(937)		(903)		(2,435)		(1,937)
Additional realized gains (losses) recognized	0		0				0
Total (losses) gains reported in earnings	(937)		(903)		(2,435)		(1,937)
Net losses on derivatives [Member]
Change in realized gains related to assets and liabilities	0		0		0		0
Change in unrealized losses related to assets and liabilities	312		(147)		227		(153)
Additional realized gains (losses) recognized	(76)		(75)		(153)		(152)
Total (losses) gains reported in earnings	$ 236		$ (222)		$ 74		$ (305)

[1] Amounts are reflected through “Impairment on bonds” and “Net gains (losses) on assets and derivatives” on the consolidated statements of operations.