Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional paid-in capital	Warrant [Member]	Retained (deficit) earnings	Accumulated Other Comprehensive Income (loss)	Non- controlling interest
Beginning Balance at Dec. 31, 2016	$ 309,391	$ 272	$ 284,508		$ 55,175	$ (30,596)	$ 32
Beginning Balance, (in shares) at Dec. 31, 2016		27,249
Net income (loss)	162,237				162,237
Dividends declared or accrued for common stock	(7,887)				(7,887)
Share-based compensation expense	5,496	$ 1	5,495
Share-based compensation expense (in shares)		85
Shares issued for option exercises	3,110	$ 2	3,108
Shares issued for option exercises (in shares)		263
Sale of discontinued operations	(9,275)					(9,243)	(32)
Restricted shares and performance shares forgiven for taxes and forfeited compensation expense	(617)		(617)
Restricted shares and performance shares forgiven for taxes and forfeited (in shares)		(25)
Change in fair value of interest rate swap, net of tax	0
Foreign currency translation gain	22,134					22,134
Adoption of new accounting standard	740				740
Ending Balance at Dec. 31, 2017	485,329	$ 275	292,494		210,265	(17,705)	0
Ending Balance, (in shares) at Dec. 31, 2017		27,572
Net income (loss)	(262,987)				(262,987)
Dividends declared or accrued for common stock	(8,803)		(2,968)		(5,835)
Share-based compensation expense	4,384	$ 2	4,382
Share-based compensation expense (in shares)		165
Shares issued for option exercises	274	$ 0	274
Shares issued for option exercises (in shares)		27
Restricted shares and performance shares forgiven for taxes and forfeited compensation expense	(805)		(805)
Restricted shares and performance shares forgiven for taxes and forfeited (in shares)		(35)
Change in fair value of interest rate swap, net of tax	0
Reclassification of interest rate swap settlement to income	0
Foreign currency translation gain	(13,609)					(13,609)
Adoption of new accounting standard	16				16
Ending Balance at Dec. 31, 2018	419,271	$ 421	508,655		(58,491)	(31,314)	0
Ending Balance, (in shares) at Dec. 31, 2018		42,104
Net income (loss)	(46,741)				(46,741)
Dividends declared or accrued for common stock	(8,933)		(8,933)		0
Dividends, Preferred Stock	642		642		0
Share-based compensation expense	3,933	$ 2	3,931
Share-based compensation expense (in shares)		248
Shares issued for option exercises	$ 21	$ 0	21
Shares issued for option exercises (in shares)	5	5
Restricted shares and performance shares forgiven for taxes and forfeited compensation expense	$ (365)		(365)
Restricted shares and performance shares forgiven for taxes and forfeited (in shares)		(44)
Change in estimate of share-based award vesting	(1,052)		(1,052)		0
Change in fair value of interest rate swap, net of tax	10,479					10,479
Reclassification of interest rate swap settlement to income	1,084					1,084
Foreign currency translation gain	(3,845)					(3,845)
Adoption of new accounting standard	(51)				(51)
Ending Balance at Dec. 31, 2019	353,277	$ 423	$ 501,615		$ (105,283)	$ (44,554)	$ 0
Ending Balance, (in shares) at Dec. 31, 2019		42,313
Warrants and Rights Outstanding	$ 1,076			$ 1,076