Basis of Presentation and Recently Issued Accounting Standards (Narrative) (Details)			6 Months Ended
	Jun. 08, 2021 $ / shares shares	May 13, 2021	Jun. 30, 2022 $ / shares shares	Dec. 31, 2021 $ / shares
Basis of Presentation and Recently Issued Accounting Standards
Reverse stock split at a ratio, description			On May 13, 2021, at the Company’s 2021 annual meeting of shareholders, its shareholders approved a reverse stock split at a ratio of not less than one-for-three and not more than one-for-five, with the exact ratio to be determined by the Company’s board of directors.
Reverse stock split conversion ratio	0.25
Common stock, par value | $ / shares	$ 0.01		$ 0.01	$ 0.01
Reverse Stock Split [Member]
Basis of Presentation and Recently Issued Accounting Standards
Number of common stock outstanding combined into one share	4
Reverse Stock Split [Member] | Series A [Member]
Basis of Presentation and Recently Issued Accounting Standards
Fractional shares excluded from share amounts retroactively adjusted to reflect reverse stock split			90
Reverse Stock Split [Member] | Series B [Member]
Basis of Presentation and Recently Issued Accounting Standards
Fractional shares excluded from share amounts retroactively adjusted to reflect reverse stock split			26
Minimum
Basis of Presentation and Recently Issued Accounting Standards
Reverse stock split conversion ratio		0.33
Maximum
Basis of Presentation and Recently Issued Accounting Standards
Reverse stock split conversion ratio		0.20