Consolidated Statement of Equity Statement - USD ($) $ in Thousands	Total	Common Stock Value [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Foreign Currency Adjustment Attributable to Parent [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]
Cumulative effect adjustment	$ 312,749	$ 1,285	$ 460,680	$ (18,950)	$ (51,663)	$ (217,952)	$ 139,349	$ 2,843	$ 2,843
Balance at beginning of period at Dec. 31, 2018	312,749	1,285	460,680	(18,950)	(51,663)	(217,952)	139,349	2,843	2,843
Net Income (Loss) Attributable to Parent	(10,838)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(19,100)						(8,262)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	(406)				(582)		176
Other Comprehensive Income (Loss), Net of Tax	(19,506)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(307)						307
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		(1)
Proceeds from Issuance of Common Stock	(1)
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	(155)			(155)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	1,939		1,628				311
Conversion of CCLP Preferred Stock, Amount Converted	2,539						2,539
Cumulative effect adjustment	300,110	1,284	462,241	(19,105)	(52,245)	(225,947)	133,882	2,843	2,843
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests	9		67				76
Balance at end of period at Mar. 31, 2019	300,110	1,284	462,241	(19,105)	(52,245)	(225,947)	133,882
Balance at beginning of period at Dec. 31, 2018	312,749	1,285	460,680	(18,950)	(51,663)	(217,952)	139,349	2,843	2,843
Net Income (Loss) Attributable to Parent	(17,751)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(27,646)
Cumulative effect adjustment	294,691	1,284	464,305	(19,116)	(51,480)	(232,860)	132,558	$ 2,843	$ 2,843
Balance at end of period at Jun. 30, 2019	294,691	1,284	464,305	(19,116)	(51,480)	(232,860)	132,558
Cumulative effect adjustment	300,110	1,284	462,241	(19,105)	(52,245)	(225,947)	133,882
Balance at beginning of period at Mar. 31, 2019	300,110	1,284	462,241	(19,105)	(52,245)	(225,947)	133,882
Net Income (Loss) Attributable to Parent	(6,913)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(8,546)						(1,633)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	848				765		83
Other Comprehensive Income (Loss), Net of Tax	(7,698)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(308)						308
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	(11)			(11)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	2,667		2,100				567
Cumulative effect adjustment	294,691	1,284	464,305	(19,116)	(51,480)	(232,860)	132,558
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests	(69)		36				(33)
Balance at end of period at Jun. 30, 2019	294,691	1,284	464,305	(19,116)	(51,480)	(232,860)	132,558
Cumulative effect adjustment	294,691	1,284	464,305	(19,116)	(51,480)	(232,860)	132,558
Cumulative effect adjustment	162,826	1,283	466,959	(19,164)	(52,183)	(362,522)	128,453
Balance at beginning of period at Dec. 31, 2019	162,826	1,283	466,959	(19,164)	(52,183)	(362,522)	128,453
Net Income (Loss) Attributable to Parent	(1,551)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(10,376)						(8,825)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	(6,467)				(6,238)		(229)
Other Comprehensive Income (Loss), Net of Tax	(16,843)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(309)						309
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		4
Proceeds from Issuance of Common Stock	(4)		0
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	(89)			(89)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	1,373		1,145				228
Cumulative effect adjustment	146,931	1,287	468,088	(19,253)	(58,421)	(364,073)	119,303
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests	(31)		16				(15)
Balance at end of period at Mar. 31, 2020	146,931	1,287	468,088	(19,253)	(58,421)	(364,073)	119,303
Balance at beginning of period at Dec. 31, 2019	162,826	1,283	466,959	(19,164)	(52,183)	(362,522)	128,453
Net Income (Loss) Attributable to Parent	(22,806)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(47,343)
Cumulative effect adjustment	162,826	1,288	469,777	(19,434)	(57,441)	(385,328)	103,824
Balance at end of period at Jun. 30, 2020	112,686	1,288	469,777	(19,434)	(57,441)	(385,328)	103,824
Cumulative effect adjustment	146,931	1,287	468,088	(19,253)	(58,421)	(364,073)	119,303
Balance at beginning of period at Mar. 31, 2020	146,931	1,287	468,088	(19,253)	(58,421)	(364,073)	119,303
Net Income (Loss) Attributable to Parent	(21,255)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(36,967)						(15,712)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	1,095				980		115
Other Comprehensive Income (Loss), Net of Tax	(35,872)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(311)						311
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		1
Proceeds from Issuance of Common Stock	1		0
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	(181)			(181)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	2,134		1,685				449
Cumulative effect adjustment	146,931	1,288	469,777	(19,434)	(57,441)	(385,328)	103,824
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests	(16)		(4)				(20)
Balance at end of period at Jun. 30, 2020	112,686	1,288	469,777	(19,434)	(57,441)	(385,328)	103,824
Cumulative effect adjustment	$ 112,686	$ 1,288	$ 469,777	$ (19,434)	$ (57,441)	$ (385,328)	$ 103,824