Stockholders Equity (Details)	12 Months Ended
	Dec. 31, 2020 trading_day $ / shares shares	Dec. 31, 2019 $ / shares shares
Preferred stock, authorized (in shares) | shares	15,000,000	15,000,000
Preferred stock par value (in dollars per share)	$ 2.00	$ 2.00
Convertible Preferred Stock
Preferred stock, authorized (in shares) | shares	15,000,000
Preferred stock, dividend rate	10.00%
Preferred stock par value (in dollars per share)	$ 2.00
Preferred stock, liquidation preference (in dollars per share)	10.00
Dividends payable (in dollars per share)	1.00
Dividends payable quarterly (in dollars per share)	$ 0.25
Conversion threshold stock trigger, percentage	90.00%
Conversion threshold, trading days | trading_day	20