Unaudited Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	AOCI Attributable to Parent	Treasury Stock	Noncontrolling Interest
Beginning Balance at Dec. 31, 2015					$ (60,893)
Change in fair value of available for sale securities	$ (2,227)
Ending Balance at Jun. 30, 2016					(58,164)
Beginning Balance at Dec. 31, 2016	494,644	$ 89	$ 1,033,729	$ 257,704	(70,428)	$ (842,952)	$ 116,502
Beginning Balance (in shares) at Dec. 31, 2016		89,717
Shares issued on vesting of restricted stock	1	$ 1
Shares issued on vesting of restricted stock (in shares)		286
Shares repurchased on vesting of restricted stock and exercise of stock options	(1,066)					(1,066)
Compensation expense in connection with restricted stock and stock options	5,160		5,160
Write off of accretion expense due to deconsolidation of joint venture	4,527			4,527
Payments from non-controlling interest holders, net of imputed interest	2,924						2,924
Elimination of non-controlling interest related to sale of the Entertainment segment	(36,907)						(36,907)
Change in redemption value of redeemable non-controlling interest	2,613			2,613
Change in fair value of available for sale securities	(670)				(670)
Net income	48,691			39,362			9,329
Tax benefit related to amortization of convertible notes' discount	44		44
Foreign currency translation	14,579		33		14,546
Distributions to joint ventures	(12,564)						(12,564)
Ending Balance at Jun. 30, 2017	$ 521,976	$ 90	$ 1,038,966	$ 304,206	$ (56,552)	$ (844,018)	$ 79,284
Ending Balance (in shares) at Jun. 30, 2017		90,003