Preferred Stock (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	Oct. 25, 2019	Jun. 30, 2022	Dec. 31, 2021	May 28, 2020	Oct. 31, 2019
Private Placement [Member]
Schedule of Capitalization, Equity [Line Items]
Aggregate offering price	$ 25
Series C Preferred Stock [Member]
Schedule of Capitalization, Equity [Line Items]
Issuance of preferred stock		0	0
Aggregate value
Preferred stock, par value		$ 0.01	$ 0.01
Number of outstanding shares		0
Series C Preferred Stock [Member] | Private Placement [Member]
Schedule of Capitalization, Equity [Line Items]
Preferred stock, par value					$ 0.01
Common Stock [Member]
Schedule of Capitalization, Equity [Line Items]
Common stock, par value		$ 0.01	$ 0.01
Shares authorized		9,090,909	9,090,909
Non-Voting Common Stock [Member]
Schedule of Capitalization, Equity [Line Items]
Common stock, par value		$ 0.01	$ 0.01
Shares authorized		1,260,700	1,260,700	1,260,700