Earnings (Losses) Per Share (Details) $ / shares in Units, shares in Thousands, $ in Thousands			3 Months Ended
	Apr. 22, 2020	Apr. 20, 2020	Mar. 31, 2021 USD ($) $ / shares shares	Mar. 31, 2020 USD ($) $ / shares shares	Jan. 31, 2017
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax			$ (128,329)	$ (374,269)
Less: net (income) loss attributable to noncontrolling interest			(8,776)	(17,465)
Less: preferred stock dividends			(3,653)	(3,652)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary			(2,402)	(4,432)
Less: distributed and undistributed earnings allocated to unvested shareholders				(125)
Adjusted income (loss) from continuing operations, net of tax - basic			(143,160)	(399,943)
Income (loss) from discontinued operations, net of tax			$ 19	$ (93)
Weighted-average number of shares outstanding - basic | shares			7,102	7,051
Earnings (losses) Per Share:
Basic from continuing operations (in dollars per share) | $ / shares			$ (20.16)	$ (56.72)
Basic from discontinued operations (in dollars per share) | $ / shares				(0.01)
Total Basic (in dollars per share) | $ / shares			$ (20.16)	$ (56.73)
DILUTED EPS:
Adjusted income (loss) from continuing operations, net of tax - basic			$ (143,160)	$ (399,943)
Adjusted income (loss) from continuing operations, net of tax - diluted			(143,160)	(399,943)
Income (loss) from discontinued operations, net of tax			$ 19	$ (93)
Weighted-average number of shares outstanding - basic | shares			7,102	7,051
Weighted-average number of shares outstanding - diluted | shares			7,102	7,051
Earnings (losses) per share:
Diluted from continuing operations (in dollars per share) | $ / shares			$ (20.16)	$ (56.72)
Diluted from discontinued operations (in dollars per share) | $ / shares				(0.01)
Total Diluted (in dollars per share) | $ / shares			$ (20.16)	$ (56.73)
Interest rate on senior notes due (as a percent)			9.00%
Reverse stock split ratio	50	50
Minimum
Earnings (losses) per share:
Reverse stock split ratio		15
0.75% senior exchangeable notes due January 2024
Earnings (losses) per share:
Interest rate on senior notes due (as a percent)			0.75%		0.75%
0.75% senior exchangeable notes due January 2024 | Minimum
Earnings (losses) per share:
Share issued price (in dollars per share) | $ / shares			$ 1,257.81