CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (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 income	$ 9,511	$ 46,201	$ 22,278	$ 57,810
Other comprehensive income (loss):
Subtotal - other comprehensive income (loss)	1,726	(1,361)	6,901	9,298
Comprehensive income	11,237	44,840	29,179	67,108
Comprehensive income attributable to noncontrolling interests	(10,067)	(14,498)	(27,641)	(39,063)
Comprehensive income attributable to common shareholders	1,170	30,342	1,538	28,045
Consolidated Entity Excluding RSO [Member]
Net income				57,810
Other comprehensive income (loss):
Unrealized gains (losses) on investment securities available-for-sale, net of tax of $10, $48, $(207) and $(28)	15	77	(336)	(32)
Less: reclassification for losses realized, net of tax of $0, $0, $83 and $28	0	0	131	46
Other comprehensive income (loss), available-for-sale securities adjustment, net of tax	15	77	(205)	14
Minimum pension liability - reclassification for losses realized, net of tax of $55, $36, $63 and $71	(40)	(47)	(127)	(94)
Subtotal - Minimum pension liability	40	47	127	94
Unrealized gains on hedging contracts, net of tax of $1, $7, $7 and $75	2	7	7	108
Subtotal - other comprehensive income (loss)	57	131	(71)	216
VIE - RSO [Member]
Other comprehensive income (loss):
Reclassifications adjustment for losses (gains) included in net income	(4,498)	922	(5,125)	934
Unrealized gains (losses) on investment securities available-for-sale, net of tax of $10, $48, $(207) and $(28)	4,699	(2,203)	9,922	8,396
Reclassification adjustments associated with unrealized losses from interest rate hedges included in net income	138	55	193	112
Unrealized gains on hedging contracts, net of tax of $1, $7, $7 and $75	1,330	(266)	1,982	(360)
Subtotal - other comprehensive income (loss)	$ 1,669	$ (1,492)	$ 6,972	$ 9,082