Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Adoption of new accounting standard	Common Stock	Additional paid-in capital	Warrants	Accumulated deficit	Accumulated deficit Adoption of new accounting standard	Accumulated other comprehensive income (loss)
Beginning Balance, (in shares) at Dec. 31, 2018			42,104
Beginning Balance at Dec. 31, 2018	$ 419,271	$ (51)	$ 421	$ 508,655	$ 0	$ (58,491)	$ (51)	$ (31,314)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(46,741)					(46,741)
Dividends declared or accrued for common stock	(8,933)			(8,933)		0
Dividends accrued for preferred stock	(642)			(642)
Shares issued for option exercises (in shares)			5
Shares issued for option exercises	21			21
Share-based compensation expense (in shares)			248
Share-based compensation expense	3,933		$ 2	3,931
Restricted shares and performance shares forgiven for taxes and forfeited (in shares)			(44)
Restricted shares forgiven for taxes	(365)			(365)
Change in estimate of share-based award vesting	(1,052)			(1,052)		0
Proceeds from Issuance of Warrants	1,076				1,076
Change in fair value, net of tax	(10,479)							(10,479)
Reclassification adjustment for losses included in net loss, net of tax	1,084							1,084
Foreign currency translation loss	(3,845)							(3,845)
Ending Balance at Dec. 31, 2019	353,277		$ 423	501,615	1,076	(105,283)		(44,554)
Ending Balance, (in shares) at Dec. 31, 2019			42,313
Change in fair value of interest rate swap, tax	3,166
Reclassification of interest rate swap settlement, tax	327
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(100,592)					(100,592)
Dividends accrued for preferred stock	(12,373)			(12,373)
Share-based compensation expense (in shares)			417
Share-based compensation expense	4,969		$ 4	4,965
Restricted shares and performance shares forgiven for taxes and forfeited (in shares)			(44)
Restricted shares forgiven for taxes	(157)			(157)
Change in estimate of share-based award vesting	(718)			(718)
Reclassification of warrants to liabilities (Note 19)	1,076				1,076
Change in fair value, net of tax	(12,443)							(12,443)
Reclassification adjustment for losses included in net loss, net of tax	18,987							18,987
Foreign currency translation loss	(1,683)							(1,683)
Sale of discontinued operations	5,961							5,961
Ending Balance at Dec. 31, 2020	254,152		$ 427	493,332	0	(205,875)		(33,732)
Ending Balance, (in shares) at Dec. 31, 2020			42,686
Change in fair value of interest rate swap, tax	3,764
Reclassification of interest rate swap settlement, tax	5,742
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(13,225)					(13,225)
Dividends accrued for preferred stock	$ (21,478)			(21,478)
Shares issued for option exercises (in shares)	6		6
Shares issued for option exercises	$ 48		$ 0	48
Share-based compensation expense (in shares)			387
Share-based compensation expense	3,839		$ 4	3,835
Restricted shares and performance shares forgiven for taxes and forfeited (in shares)			(52)
Restricted shares forgiven for taxes	(363)		$ 1	(362)
Change in estimate of share-based award vesting	(618)			(618)
Reclassification of warrants to liabilities (Note 19)	(1,100)
Change in fair value, net of tax	59							59
Reclassification adjustment for losses included in net loss, net of tax	2,906							2,906
Foreign currency translation loss	(1,135)							(1,135)
Ending Balance at Dec. 31, 2021	224,185		$ 430	$ 474,757	$ 0	$ (219,100)		$ (31,902)
Ending Balance, (in shares) at Dec. 31, 2021			43,027
Change in fair value of interest rate swap, tax	19
Reclassification of interest rate swap settlement, tax	$ 879