Consolidated Statement of Equity (USD $)	Total	Cumulative Preferred Stock Subject to Mandatory Redemption [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2010	$ 312,906,000	$ 0	$ 4,000	$ 284,669,000	$ 17,777,000	$ 9,043,000	$ (11,301,000)	$ 12,714,000
Balance, common shares at Dec. 31, 2010	40,179,906		40,179,906
Balance, preferred shares at Dec. 31, 2010		132,550
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of 4,800,000 shares of common stock, shares	4,800,000	0	4,800,000
Issuance of 4,800,000 shares of common stock, value	51,960,000	0	1,000	51,959,000	0	0	0	0
Repurchase of 3,250 common shares			(3,250)
Repurchase of 3,250 common shares	(36,000)	0	0	0	0	0	(36,000)	0
Repurchase of 1,400,000 warrants, shares		0	0
Repurchase of 1,400,000 warrants, value	2,434,000	0	0	(2,434,000)	0	0	0	0
Stock based compensation, shares		0	0
Stock-based compensation, values	3,761,000	0	0	3,761,000	0	0	0	0
Shares forfeited net of 3,000 common stock issued under 2009 Equity Participation Plan, shares			(1,950)
Shares forfeited net of 3,000 common stock issued under 2009 Equity Participation Plan, value	0	0	0	0	0	0	0	0
Other comprehensive income:
Unrealized holding losses on available for sales securities, net of tax of $3,063,000	(4,592,000)					(4,592,000)
Foreign currency translation gain, net of tax of $3,311,000	5,058,000	0	0	0	0	5,058,000	0	0
Forward foreign currency loss, net of tax of $1,347,000	(2,042,000)	0	0	0	0	(2,042,000)	0	0
Preferred stock dividends paid	(6,675,000)	0	0	0	(6,675,000)	0	0	0
Common stock dividends paid	(3,598,000)	0	0	0	(3,598,000)	0	0	0
Accretion of preferred stock issuance costs	0	0	0	33,000	(33,000)	0	0	0
Net income	(2,286,000)	0	0	0	(3,581,000)	0	0	1,295,000
Contributions from noncontrolling interests	2,259,000	0	0	0	0	0	0	2,259,000
Distributions to noncontrolling interests	(696,000)	0	0	0	0	0	0	(696,000)
Balance at Sep. 30, 2011	$ 353,585,000	$ 0	$ 5,000	$ 337,988,000	$ 3,890,000	$ 7,467,000	$ (11,337,000)	$ 15,572,000
Balance, common shares at Sep. 30, 2011	44,974,706		44,974,706
Balance, preferred shares at Sep. 30, 2011		132,550