CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands		Total	Common Stock	Additional Paid in Capital	Treasury Stock	Retained Earnings (Deficit)	Accumulated Other Comprehensive Loss	Noncontrolling Interest
Stockholders' equity, beginning balance at Dec. 31, 2018		$ 974,271	$ 2,917	$ 2,243,419	$ (377,980)	$ (768,566)	$ (132,724)	$ 7,205
Stockholders' equity, beginning balance (in shares) at Mar. 31, 2019			293,909,061		18,280,416
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		53,234
Comprehensive income (loss)		53,216				56,850	(4,528)	894
Common stock dividends	[1]	(38,594)				(38,594)
Settlement of stock-based awards		(6,842)	$ 22	3,311	$ (10,175)
Settlement of stock-based awards (in shares)			2,245,107		477,357
Repurchase of common stock		(32,146)			$ (32,146)
Repurchase of common stock (in shares)					1,491,521
Stock-based compensation expense		15,694		15,694
Stockholders' equity, ending balance at Mar. 31, 2019		$ 965,599	$ 2,939	2,262,424	$ (420,301)	(750,310)	(137,252)	8,099
Stockholders' equity, ending balance (in shares) at Dec. 31, 2018			291,663,954		16,311,538
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock cash dividend paid per share (in dollars per share)		$ 0.14
Stockholders' equity, beginning balance at Dec. 31, 2019		$ 947,669	$ 2,943	2,317,544	$ (468,618)	(763,482)	(149,306)	8,588
Stockholders' equity, beginning balance (in shares) at Mar. 31, 2020		296,543,000	296,543,470		21,228,917
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		$ (231,200)				(212,680)	(19,303)	783
Common stock dividends	[2]	(38,544)				(38,544)
Settlement of stock-based awards		$ (5,200)	$ 22	50	$ (5,272)
Settlement of stock-based awards (in shares)			2,224,053		642,065
Repurchase of common stock (in shares)		0
Stock-based compensation expense		$ 17,577		17,577
Stockholders' equity, ending balance at Mar. 31, 2020		$ 682,711	$ 2,965	$ 2,335,171	$ (473,890)	$ (1,022,297)	$ (168,609)	$ 9,371
Stockholders' equity, ending balance (in shares) at Dec. 31, 2019		294,319,000	294,319,417		20,586,852
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock cash dividend paid per share (in dollars per share)		$ 0.14

[1] A quarterly cash dividend of $0.14 per share on our common stock.

[2] A quarterly cash dividend of $0.14 per share on our common stock.