Shareholders' Equity (Preferred Shares) (Narrative) (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) boardMember dividend $ / shares
Stockholders' Equity Note [Abstract]
Number of quarterly dividends in arrearage before preferred shareholders can elect additional board members | dividend	6
Number of additional board members the preferred shareholders can elect in the case of an excess arrearage of quarterly dividends | boardMember	2
Amount of preferred dividends in arrears | $	$ 0
Affirmative vote of outstanding shares of a series of Preferred Shares required for any material and adverse amendment to the terms of series, percent	66.67%
Affirmative vote of outstanding shares of all Preferred Shares, voting as a single class, required to issue shares ranking senior to Preferred Shares, percent	66.67%
Redemption price per share (in USD per share) | $ / shares	$ 25.00