Stockholders Equity	12 Months Ended
	Dec. 31, 2021
Equity [Abstract]
Stockholders Equity	Stockholders EquityOur decision to declare dividends on common stock is determined on an annual basis following the end of each year. In accordance with that policy, no dividends on our common stock were declared for 2021, 2020 or 2019. Future distributions to common stockholders will be determined in light of conditions then existing, including our financial condition and requirements, future prospects, restrictions in financing agreements, business conditions and other factors deemed relevant by our board of directors.