Shareholders' Equity (Narrative) (Details) $ / shares in Units, $ in Millions				12 Months Ended
	Jan. 20, 2023 $ / shares	Aug. 26, 2022 $ / shares	Nov. 25, 2020	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020	Aug. 09, 2022 $ / shares
Class Of Stock [Line Items]
Preferred stock, shares authorized | shares				12,500,000
Stock price as percentage of market value				100.00%
Special dividend paid							$ 19.52
Payments for merger consideration		$ 9.48
Accrued preferred stock dividends | $				$ 1.2	$ 1.2
Common stock, dividends declared				$ 19.52
Subsequent Event [Member]
Class Of Stock [Line Items]
Dividends payable, date declared	Jan. 20, 2023
Dividends payable, date to be paid	Feb. 20, 2023
Dividends payable, date of record	Feb. 10, 2023
Common Stock [Member]
Class Of Stock [Line Items]
Stockholders' equity, reverse stock split, conversion ratio			0.15
Stockholders' equity, reverse stock split				Each 6.6 shares of the Company's issued and outstanding common stock were combined into one share of the Company's common stock.
Series B [Member]
Class Of Stock [Line Items]
Dividend rate percentage				7.25%	7.25%	7.25%
Redemption date				May 22, 2017
Redemption price per share				$ 25.00
Preferred stock, shares authorized | shares				1,450,000	1,450,000
Series B [Member] | Subsequent Event [Member]
Class Of Stock [Line Items]
Preferred stock dividends declared	$ 0.453125
Series C [Member]
Class Of Stock [Line Items]
Dividend rate percentage				6.50%	6.50%	6.50%
Redemption date				Aug. 24, 2022
Redemption price per share				$ 25.00
Preferred stock, shares authorized | shares				6,450,000	6,450,000
Series C [Member] | Subsequent Event [Member]
Class Of Stock [Line Items]
Preferred stock dividends declared	$ 0.406250