Subsequent Events (Details) $ / shares in Units, $ in Thousands	Oct. 22, 2021	Oct. 21, 2021 USD ($) item $ / shares shares	Sep. 30, 2021 $ / shares	Dec. 31, 2020 $ / shares
Subsequent Event [Line Items]
Preferred stock, par value (in dollars per share)			$ 0.01	$ 0.01
Series A Convertible Preferred Stock | Subsequent Event
Subsequent Event [Line Items]
Threshold period for redemption after the occurrence of a Fundamental Change		60 days
Percentage of liquidated damages payable on amount invested	0.50%
Period for liquidated damages payable	30 days
Series A Convertible Preferred Stock | Subsequent Event | Beginning April 22, 2022 through October 21, 2023
Subsequent Event [Line Items]
Cash redemption price		$ 27.50
Series A Convertible Preferred Stock | Subsequent Event | Beginning October 22, 2023 through October 21, 2024
Subsequent Event [Line Items]
Cash redemption price		28.125
Series A Convertible Preferred Stock | Subsequent Event | Beginning October 22, 2024
Subsequent Event [Line Items]
Cash redemption price		28.75
Series A Convertible Preferred Stock | Subsequent Event | Redemption date occurs from October 22, 2022 through October 21, 2023
Subsequent Event [Line Items]
Cash redemption price		27.50
Series A Convertible Preferred Stock | Subsequent Event | Redemption date occurs from October 22, 2023 through October 21, 2024
Subsequent Event [Line Items]
Cash redemption price		28.125
Series A Convertible Preferred Stock | Subsequent Event | Redemption date occurs on and after October 22, 2024
Subsequent Event [Line Items]
Cash redemption price		$ 28.75
Series A Convertible Preferred Stock | Subsequent Event | Securities purchase agreement
Subsequent Event [Line Items]
Number of investors | item		21
Number of shares issued | shares		120,000
Percentage of return		8.00%
Preferred stock, par value (in dollars per share)		$ 0.01
Share price		$ 25.00
Gross proceeds | $		$ 3,000
Conversion price		12.50%
Number of common shares for each convertible share | shares		2.0
Minimum closing share price for automatical conversion		$ 15.00
Percentage on initial conversion price for automatical conversion		120.00%
Threshold period considered for closing price		20 days
Threshold consecutive trading days considered for closing price		30 days
Number of trading days for prior notice of automatic conversion		5 days
Net proceeds | $		$ 2,820
Maximum number of additional shares allows for sale within the threshold period | shares		480,000
Threshold period for sale of additional shares		90 days