RESTATEMENT (Restatement - Statement of Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net income	$ 12,767	$ 11,609
Subtotal - other comprehensive income	5,175	10,647
Comprehensive income (loss)	17,942	22,256
Comprehensive income attributable to noncontrolling interests	(17,574)	(24,553)
Comprehensive income attributable to common shareholders	368	(2,297)
As Previously Reported
Net income	701	(2,347)
Subtotal - other comprehensive income	2,372	(256)
Comprehensive income (loss)	3,073	(2,603)
Comprehensive income attributable to noncontrolling interests	43	39
Comprehensive income attributable to common shareholders	3,116	(2,564)
Restatement Adjustments - RSO [Member]
Net income	12,628	14,481
Subtotal - other comprehensive income	5,303	10,562
Comprehensive income (loss)	17,931	25,043
Comprehensive income attributable to noncontrolling interests	209
Comprehensive income attributable to common shareholders	18,140	25,043
Restatement Adjustments - Intercompany Elimination [Member]
Net income	(562)	(525)
Subtotal - other comprehensive income	(2,500)	341
Comprehensive income (loss)	(3,062)	(184)
Comprehensive income attributable to noncontrolling interests	(17,826)	(24,592)
Comprehensive income attributable to common shareholders	(20,888)	(24,776)
Consolidated Entity Excluding RSO [Member]
Unrealized gains (losses) on investment securities available-for-sale	(351)	(109)
Less: reclassification for losses realized, net of tax	131	46
Other comprehensive income (loss), available-for-sale securities adjustment, net of tax	(220)	(63)
Minimum pension liability - reclassification for losses realized, net of tax	87	47
Unrealized (losses) gains on hedging contracts, net of tax	5	101
Subtotal - other comprehensive income	(128)	85
Consolidated Entity Excluding RSO [Member] | As Previously Reported
Net income	701	(2,347)
Unrealized gains (losses) on investment securities available-for-sale	2,148	(450)
Less: reclassification for losses realized, net of tax	131	46
Other comprehensive income (loss), available-for-sale securities adjustment, net of tax	2,279	(404)
Minimum pension liability - reclassification for losses realized, net of tax	89	47
Unrealized (losses) gains on hedging contracts, net of tax	4	101
Subtotal - other comprehensive income	2,372	(256)
Consolidated Entity Excluding RSO [Member] | Restatement Adjustments - Intercompany Elimination [Member]
Unrealized gains (losses) on investment securities available-for-sale	(2,499)	341
Less: reclassification for losses realized, net of tax	0
Other comprehensive income (loss), available-for-sale securities adjustment, net of tax	(2,499)	341
Minimum pension liability - reclassification for losses realized, net of tax	(2)
Unrealized (losses) gains on hedging contracts, net of tax	1
Subtotal - other comprehensive income	(2,500)	341
VIE - RSO [Member]
Unrealized gains (losses) on investment securities available-for-sale	4,541	10,587
Unrealized (losses) gains on hedging contracts, net of tax	1,334	(93)
Subtotal - other comprehensive income	5,303	10,562
Reclassifications adjustment for losses included in net income	55	12
Reclassification adjustments associated with unrealized (gains) losses from interest rate hedges included in net income	(627)	56
VIE - RSO [Member] | Restatement Adjustments - RSO [Member]
Net income	12,628	14,481
Unrealized gains (losses) on investment securities available-for-sale	4,541	10,587
Unrealized (losses) gains on hedging contracts, net of tax	1,334	(93)
Subtotal - other comprehensive income	5,303	10,562
Reclassifications adjustment for losses included in net income	55	12
Reclassification adjustments associated with unrealized (gains) losses from interest rate hedges included in net income	$ (627)	$ 56