CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total USD ($)	Additional Paid-In Capital [Member] USD ($)	Accumulated Deficit [Member] USD ($)	Accumulated Other Comprehensive Income [Member] USD ($)	Noncontrolling Interest [Member] USD ($)	Preferred Class A [Member] Series A Convertible Preferred Stock [Member] USD ($)	Common Class A [Member]	Common Class A [Member] Common Stock [Member] USD ($)	Common Class B [Member]	Common Class B [Member] Common Stock [Member] USD ($)
BALANCE at Dec. 31, 2012	$ 631,267	$ 1,556,250	$ (982,513)	$ 46,150	$ 5,206	$ 0		$ 6,174		$ 0
BALANCE (in shares) at Dec. 31, 2012								77,185,129		0
BALANCE (in shares) at Dec. 31, 2012						1
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Stock-based compensation	3,886	3,886
Share issuance, net (shares)						0		57,132,931
Share issuance, net	151,653	147,082				0		4,571
Reclassification of capped call options	0	2,752	(2,752)
Shares issuance, stock-based compensation (in shares)								171,125
Shares issuance, stock-based compensation	0							14
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options		(14)
Preferred dividend paid-in-kind	(4,032)	(4,032)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders					445
Dividends	(445)
Acquisition of noncontrolling interests	0	(261)			261
Net loss	(173,324)		(172,329)		(995)
Currency translation adjustment	(8,874)			(8,766)	(108)
BALANCE at Sep. 30, 2013	600,131	1,705,663	(1,157,594)	37,384	3,919	0		10,759		0
BALANCE (in shares) at Sep. 30, 2013								134,489,185		0
BALANCE (in shares) at Sep. 30, 2013						1
BALANCE at Dec. 31, 2013	441,001	1,704,066	(1,262,916)	(11,829)	893	0		10,787		0
BALANCE (in shares) at Dec. 31, 2013							134,800,000	134,837,442	0	0
BALANCE (in shares) at Dec. 31, 2013						1
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Stock-based compensation	990	990
Warrant issuance, net	239,586	239,586
Shares issuance, stock-based compensation (in shares)								497,816
Shares issuance, stock-based compensation	0							40
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options		(40)
Preferred dividend paid-in-kind	(11,880)	(11,880)
Net loss	(153,621)		(152,491)		(1,130)
Currency translation adjustment	(108,480)			(109,125)	645
BALANCE at Sep. 30, 2014	$ 407,596	$ 1,932,722	$ (1,415,407)	$ (120,954)	$ 408	$ 0		$ 10,827		$ 0
BALANCE (in shares) at Sep. 30, 2014							135,300,000	135,335,258	0	0
BALANCE (in shares) at Sep. 30, 2014						1