CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid in Capital	Treasury Stock	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Stockholders' equity equity, beginning balance at Dec. 31, 2016	$ 625,615	$ 2,854	$ 2,105,843	$ (221,746)	$ (1,141,116)	$ (122,799)	$ 2,579
Stockholders' equity equity, beginning balance (in shares) at Dec. 31, 2016		285,461,125,000		8,511,323,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	281,959				242,531	34,315	5,113
Common stock dividends	(154,861)				(154,861)
Repurchase of common stock (in shares)				5,779,769,000
Repurchase of common stock	(109,100)	$ (109,000)		$ (109,100)
Settlement of stock-based awards (in shares)		3,676,776,000		504,634,000
Settlement of stock-based awards	12,692	$ 37	23,655	$ (11,000)
Stock-based compensation expense	44,689		44,689
Dividends paid to non-controlling interest on subsidiary common stock	(2,494)						(2,494)
Stockholders' equity equity, ending balance at Dec. 31, 2017	698,500	$ 2,891	2,174,187	$ (341,846)	(1,053,446)	(88,484)	5,198
Stockholders' equity equity, ending balance (in shares) at Dec. 31, 2017		289,137,901,000		14,795,726,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	320,693
Comprehensive income, adjusted for accounting standards update	298,420				337,531	(44,240)	5,129
Common stock dividends	(154,080)				(154,080)
Repurchase of common stock (in shares)				1,075,255,000
Repurchase of common stock	(26,281)	$ (26,000)		$ (26,281)
Settlement of stock-based awards (in shares)		2,526,053,000		440,557,000
Settlement of stock-based awards	2,142	$ 26	11,969	$ (9,853)
Stock-based compensation expense	57,263		57,263
Adoption of New Accounting Standard	101,429				101,429
Dividends paid to non-controlling interest on subsidiary common stock	(3,122)						(3,122)
Stockholders' equity equity, ending balance at Dec. 31, 2018	$ 974,271	$ 2,917	2,243,419	$ (377,980)	(768,566)	(132,724)	7,205
Stockholders' equity equity, ending balance (in shares) at Dec. 31, 2018	291,664,000	291,663,954,000		16,311,538,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	$ 145,964				158,592	(16,582)	3,954
Common stock dividends	(153,508)				(153,508)
Repurchase of common stock (in shares)		3,673,768		3,673,768,000
Repurchase of common stock	(77,636)	$ (78,000)		$ (77,636)
Settlement of stock-based awards (in shares)		2,655,463,000		601,546,000
Settlement of stock-based awards	(5,736)	$ 26	7,240	$ (13,002)
Stock-based compensation expense	66,885		66,885
Dividends paid to non-controlling interest on subsidiary common stock	(2,571)						(2,571)
Stockholders' equity equity, ending balance at Dec. 31, 2019	$ 947,669	$ 2,943	$ 2,317,544	$ (468,618)	$ (763,482)	$ (149,306)	$ 8,588
Stockholders' equity equity, ending balance (in shares) at Dec. 31, 2019	294,319,000	294,319,417,000		20,586,852,000