Common and Preferred Stock - Additional Information (Details)					1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 28, 2022	Oct. 02, 2018	Oct. 01, 2018 USD ($) $ / shares	Jun. 08, 2018	Feb. 28, 2022	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Director DividendsPeriod $ / shares shares	Jun. 30, 2021 USD ($)	Dec. 31, 2021 shares
Class of Stock [Line Items]
Dividends paid, common stock | $						$ 0	$ 0	$ 0	$ 0
Preferred stock, shares outstanding | shares						2,812,000		2,812,000		2,812,000
Preferred stock, shares issued | shares						2,812,000		2,812,000		2,812,000
10.875% Series A Cumulative Redeemable Preferred Stock
Class of Stock [Line Items]
Dividends paid, preferred stock | $						$ 0	$ 0	$ 0	$ 0
Undeclared preferred stock dividends arrears | $								$ 41,300,000
Cumulative preferential cash dividend rate			10.875%	10.875%
Stated liquidation preference | $ / shares						$ 25.00		$ 25.00
Preferred stock cumulative preferential cash dividends annual rate per share | $ / shares			$ 2.72
Unpaid accrued dividends on preferred stock | $			$ 1,900,000					$ 2,200,000
Number of dividends period | DividendsPeriod								4
Increase of preferred stock dividend rate		12.875%	12.875%
Dividends paid, preferred stock | $ / shares			$ 3.20
Number of additional directors | Director								2
Preferred stock, shares outstanding | shares						2,811,535		2,811,535
Preferred stock, shares issued | shares						2,811,535		2,811,535
Redemption price per share | $ / shares						$ 25.00		$ 25.00
Preferred stock, fixed interest rate (percentage)	10.875%				10.875%
12.5% Series B Cumulative Redeemable Preferred Shares
Class of Stock [Line Items]
Preferred stock, fixed interest rate (percentage)	12.50%				12.50%