Consolidated Statements of Equity - USD ($) $ in Thousands		Total		Common Stock		Additional Paid-in Capital		Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss) (AOCI)	Noncontrolling Interests	Originally Reported	Originally Reported Common Stock	Originally Reported Additional Paid-in Capital	Originally Reported Retained Earnings (Accumulated Deficit)	Originally Reported Accumulated Other Comprehensive Income (Loss) (AOCI)	Originally Reported Noncontrolling Interests	As Adjusted	As Adjusted Common Stock	As Adjusted Additional Paid-in Capital	As Adjusted Retained Earnings (Accumulated Deficit)	As Adjusted Accumulated Other Comprehensive Income (Loss) (AOCI)	As Adjusted Noncontrolling Interests
Balance (Adjustment) at Dec. 31, 2015		$ 14,750		$ 0		$ (58)		$ 14,808	$ 0	$ 0
Balance at Dec. 31, 2015											$ 900,983	$ 838	$ 1,163,985	$ (174,038)	$ (89,802)	$ 0	$ 915,733	$ 838	$ 1,163,927	$ (159,230)	$ (89,802)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		63,690						67,235	(3,545)	0
Repurchase of Class A Common shares		(44,401)	[1]	(27)	[1]	(42,292)	[1]	(2,082)
Compensation plans: net share issued	[1]	10,913		8		10,905			0
Balance at Dec. 31, 2016		945,935		819		1,132,540		(94,077)	(93,347)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		(4,822)						(13,106)	9,795	(1,511)
Minority interest contribution to subsidiary		2,143								2,143
Repurchase of Class A Common shares		(17,885)	[1]	(10)		(15,627)		(2,248)
Compensation plans: net share issued	[1]	12,114		7		12,107			0
Reclassification of disproportionate tax effects from AOCI		19,370						19,370	(19,370)
Balance at Dec. 31, 2017		937,485		816		1,129,020		(90,061)	(102,922)	632
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)		27,274						20,381	7,525	(632)
Cash dividends: declared and paid		(16,395)						(16,395)
Repurchase of Class A Common shares		(32,323)		(18)		(32,151)		(154)
Compensation plans: net share issued	[1]	10,124		9		10,115
Balance at Dec. 31, 2018		$ 926,165		$ 807		$ 1,106,984		$ (86,229)	$ (95,397)	$ 0

[1] * Net of tax payments related to shares withheld for vested stock and RSUs of $3,796 in 2018, $4,576 in 2017 and $2,681 in 2016.