CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands	Noncontrolling Interests [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Comprehensive Income [Member]	Treasury Stock [Member]	Total	Redeemable Noncontrolling Interests [Member]
Balance at Dec. 31, 2010	$ 3,579	$ 33	$ 262,108	$ 370,272	$ 25,389	$ (271,773)	$ 389,608	$ 26,984
Redemptions of redeemable noncontrolling interests	0	0	0	0	0	0	0	(2,340)
Contributions from redeemable noncontrolling interests	0	0	0	0	0	0	0	22,418
Dividends paid to noncontrolling interests	(331)	0	0	0	0	0	(331)	0
Deconsolidation of Partnership	0	0	0	0	0	0	0	(40,998)
Gain attributable to noncontrolling interest holders related to common control transaction	205	0	(287)	0	0	0	(82)	0
Net income (loss)	(14)	0	0	69,682	0	0	69,668	7
Net unrealized gains (losses) on securities available for sale, net of tax	0	0	0	0	(2,877)	0	(2,877)	0
Foreign currency translation	0	0	0	0	8	0	8	0
Dividends declared	0	0	0	(30,763)	0	0	(30,763)	0
Stock based compensation expense	0	0	2,588	0	0	0	2,588	0
Purchase of treasury stock	0	0	0	0	0	(20,408)	(20,408)	0
Balance at Dec. 31, 2011	3,439	33	264,409	409,191	22,520	(292,181)	407,411	6,071
Redemptions of redeemable noncontrolling interests	0	0	0	0	0	0	0	(13,069)
Contributions from redeemable noncontrolling interests	0	0	0	0	0	0	0	24,189
Net income (loss)	(113)	0	0	75,539	0	0	75,426	171
Net unrealized gains (losses) on securities available for sale, net of tax	0	0	0	0	3,808	0	3,808	0
Foreign currency translation	0	0	0	0	(28)	0	(28)	0
Dividends declared	0	0	0	(76,435)	0	0	(76,435)	0
Stock based compensation expense	0	0	13,583	0	0	0	13,583	0
Increase in Paid In Capital Due to excess of tax benefit of RSA	0	0	1,072	0	0	0	1,072	0
Exercise of stock options including tax benefit	0	0	1,025	0	0	0	1,025	0
Purchase of treasury stock	0	0	0	0	0	(54,928)	(54,928)	0
Balance at Dec. 31, 2012	3,326	33	280,089	408,295	26,300	(347,109)	370,934	17,362
Redemptions of redeemable noncontrolling interests	(525)	0	0	0	0	0	(525)	(16,223)
Contributions from redeemable noncontrolling interests	0	0	0	0	0	0	0	5,150
Net income (loss)	50	0	0	116,853	0	0	116,903	462
Net unrealized gains (losses) on securities available for sale, net of tax	0	0	0	0	17,301	0	17,301	0
Amount reclassed out of accumulated other comprehensive income, net of income tax benefit	0	0	0	0	(13,382)	0	(13,382)	0
Income tax effect of transaction with shareholders	0	0	243	0		0	243	0
Foreign currency translation	0	0	0	0	20	0	20	0
Dividends declared	0	0	0	(18,707)	0	0	(18,707)	0
Stock based compensation expense	0	0	2,072	0	0	0	2,072	0
Exercise of stock options including tax benefit	0	0	92	0	0	0	92	0
Purchase of treasury stock	0	0	0	0	0	(14,769)	(14,769)	0
Balance at Dec. 31, 2013	$ 2,851	$ 33	$ 282,496	$ 506,441	$ 30,239	$ (361,878)	$ 460,182	$ 6,751