Condensed Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Warrants	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Total
Beginning balance (in shares) at Dec. 31, 2018			42,104,000
Beginning balance at Dec. 31, 2018	$ 419,271	$ (51)	$ 421	$ 508,655		$ (58,491)	$ (51)	$ (31,314)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Net loss	(26,801)					(26,801)
Dividends declared or accrued for common stock	(5,934)			(5,934)
Share-based compensation expense (in shares)			281,000
Share-based compensation expense	1,979		$ 3	1,976
Restricted shares forgiven for taxes and forfeited (in shares)			(18,000)
Restricted shares forgiven for taxes and forfeited	(141)			(141)
Change in fair value of interest rate swap, net of tax	(10,818)							(10,818)
Reclassification of interest rate swap settlement to income, net of tax	0
Foreign currency translation gain	(176)							(176)
Ending balance (in shares) at Jun. 30, 2019			42,367,000
Ending balance at Jun. 30, 2019	377,329		$ 424	504,556		(85,343)		(42,308)
Beginning balance (in shares) at Mar. 31, 2019			42,367,000
Beginning balance at Mar. 31, 2019	394,957		$ 424	506,442		(78,060)		(33,849)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Net loss	(7,283)					(7,283)
Dividends declared or accrued for common stock	(2,992)			(2,992)
Share-based compensation expense	1,106			1,106
Change in fair value of interest rate swap, net of tax	(6,962)							(6,962)
Reclassification of interest rate swap settlement to income, net of tax	0
Foreign currency translation gain	(1,497)							(1,497)
Ending balance (in shares) at Jun. 30, 2019			42,367,000
Ending balance at Jun. 30, 2019	377,329		$ 424	504,556		(85,343)		(42,308)
Beginning balance (in shares) at Dec. 31, 2019			42,313,000
Beginning balance at Dec. 31, 2019	353,277		$ 423	501,615	$ 1,076	(105,283)		(44,554)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Net loss	(269,939)					(269,939)
Dividends accrued for preferred stock	(5,994)			(5,994)
Share-based compensation expense (in shares)			442,000
Share-based compensation expense	2,707		$ 4	2,703
Restricted shares forgiven for taxes and forfeited (in shares)			(8,000)
Restricted shares forgiven for taxes and forfeited	(30)			(30)
Change in fair value of interest rate swap, net of tax	(12,464)							(12,464)
Reclassification of interest rate swap settlement to income, net of tax	3,690							3,690
Foreign currency translation gain	(13,348)							(13,348)
Ending balance (in shares) at Jun. 30, 2020			42,747,000
Ending balance at Jun. 30, 2020	57,899		$ 427	498,294	1,076	(375,222)		(66,676)
Beginning balance (in shares) at Mar. 31, 2020			42,757,000
Beginning balance at Mar. 31, 2020	78,902		$ 428	499,925	1,076	(353,474)		(69,053)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Net loss	(21,748)					(21,748)
Dividends accrued for preferred stock	(3,043)			(3,043)
Share-based compensation expense (in shares)			10,000
Share-based compensation expense	1,411		$ (1)	1,412
Change in fair value of interest rate swap, net of tax	(1,255)							(1,255)
Reclassification of interest rate swap settlement to income, net of tax	2,638							2,638
Foreign currency translation gain	994							994
Ending balance (in shares) at Jun. 30, 2020			42,747,000
Ending balance at Jun. 30, 2020	$ 57,899		$ 427	$ 498,294	$ 1,076	$ (375,222)		$ (66,676)