Common Stock Dividends and Issuances Text Tags (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended					9 Months Ended			12 Months Ended
	Sep. 30, 2023	Dec. 31, 2021	Sep. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2011	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021	Jul. 19, 2023	Sep. 27, 2021	Feb. 16, 2021	Feb. 01, 2021	Oct. 15, 2020	Oct. 28, 2011
Dividends [Abstract]
Stock Issued During Period, Shares, Other								2,321,286
Conversion of Stock, Shares Converted						2,750		1,208,039	550
Convertible Preferred Stock, Shares Outstanding (in shares)																	45,118
Conversion of Stock, Shares Issued						336,325			67,265
Treasury Stock, Shares, Acquired											2,321,286
Payments for Repurchase of Equity											$ 2,500
Stock Issued During Period, Shares, New Issues		397,367
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues		397,367
Proceeds from Issuance of Private Placement	$ 1,000		$ 4,000	$ 4,400							$ 6,000
Conversion of Stock, Shares Converted						2,750		1,208,039	550
Issuance of common stock						$ 1,000	$ 0			$ 3,000
Common Stock
Dividends [Abstract]
Stock Issued During Period, Shares, New Issues	378,788			157,806	147,227						112,612
Sale of Stock, Price Per Share												$ 2.64		$ 8.88	$ 7.75	$ 6.62
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues	378,788			157,806	147,227						112,612
Sale of Stock, Price Per Share												$ 2.64		8.88	7.75	$ 6.62
Series F Preferred Stock
Dividends [Abstract]
Convertible Preferred Stock, Shares Outstanding (in shares)						9,000			9,000
Stock Issued During Period, Shares, New Issues			4,000	5,000
Sale of Stock, Price Per Share													$ 1,000	1,000
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues			4,000	5,000
Sale of Stock, Price Per Share													$ 1,000	$ 1,000
Series D Preferred Stock
Dividends [Abstract]
Convertible Preferred Stock, Shares Outstanding (in shares)						10,451			13,201
Series E Preferred Stock
Dividends [Abstract]
Convertible Preferred Stock, Shares Outstanding (in shares)						3,177			3,177
Stock Issued During Period, Shares, New Issues				3,177
Sale of Stock, Price Per Share															1,000
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues				3,177
Sale of Stock, Price Per Share															$ 1,000