CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Non-controlling Interest
Beginning balance at Dec. 31, 2011	$ 512,814	$ 14	$ 663	$ 265,067	$ 247,941	$ 14,071	$ (17,800)	$ 2,858
Beginning balance (in shares) at Dec. 31, 2011		1,400,000	66,341,000				(1,454,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred stock to convertible note exchange (in shares)		(632,000)
Preferred stock to convertible note exchange	(60,078)	(6)		(60,072)
Preferred stock to common stock exchange (in shares)		(350,000)	5,867,000
Preferred stock to common stock exchange	0	(4)	59	(55)
Acquisition of treasury stock (in shares)							(122,000)
Acquisition of treasury stock	(783)						(783)
Exercise of stock options (in shares)							4,000
Exercise of stock options	19			(22)			41
Issuance of treasury stock (in shares)							305,000
Issuance of treasury stock	0			(3,694)			3,694
Share-based compensation (in shares)			56,000
Share-based compensation	3,142		1	3,141
Stock dividends	0			145	(145)
Cash dividends	(11,019)				(11,019)
Equity adjustment from foreign currency translation	699					699
Change in non-controlling interest	(399)							(399)
Net loss	(122,687)				(122,946)			259
Ending balance at Dec. 31, 2012	321,708	4	723	204,510	113,831	14,770	(14,848)	2,718
Ending balance (in shares) at Dec. 31, 2012		418,000	72,264,000				(1,267,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred stock to common stock exchange (in shares)		(417,000)	5,920,000
Preferred stock to common stock exchange	0	(4)	59	(55)
Acquisition of treasury stock (in shares)							(56,000)
Acquisition of treasury stock	(364)						(364)
Exercise of stock options (in shares)							216,000
Exercise of stock options	1,652			(820)			2,472
Tax deficit from exercise of stock options and compensatory stock	(2)			(2)
Redemption of preferred stock (in shares)		(1,000)
Redemption of preferred stock	(30)			(30)
Equity issuance costs	(341)			(341)
Issuance of treasury stock (in shares)							140,000
Issuance of treasury stock	0			(1,649)			1,649
Share-based compensation (in shares)			56,000
Compensatory stock and stock options	3,533			3,533
Stock dividends (in shares)			75,000
Stock dividends	0		1	566	(567)
Cash dividends	(5,599)				(5,599)
Equity adjustment from foreign currency translation	(2,593)					(2,593)
Change in non-controlling interest	(2,718)							(2,718)
Deconsolidation of subsidiaries	(11,706)				(11,706)
Net loss	(18,921)				(18,921)
Ending balance at Dec. 31, 2013	284,619	0	783	205,712	77,038	12,177	(11,091)	0
Ending balance (in shares) at Dec. 31, 2013		0	78,315,000				(967,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition of treasury stock (in shares)							(133,000)
Acquisition of treasury stock	(1,013)						(1,013)
Exercise of stock options (in shares)	302,000						312,000
Exercise of stock options	2,291			(1,284)			3,575
Tax deficit from exercise of stock options and compensatory stock	(26)			(26)
Equity issuance costs	(7)			(7)
Issuance of treasury stock (in shares)			58,000				8,000
Issuance of treasury stock			1	(87)			86
Compensatory stock and stock options	5,740			5,740
Stock dividends (in shares)			1,000
Stock dividends	0		0	9	(9)
Cash dividends	(3,105)				(3,105)
Equity adjustment from foreign currency translation	(12,973)					(12,973)
Net loss	16,008				16,008
Ending balance at Dec. 31, 2014	$ 291,534	$ 0	$ 784	$ 210,057	$ 89,932	$ (796)	$ (8,443)	$ 0
Ending balance (in shares) at Dec. 31, 2014		0	78,374,000				(780,000)