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Common Stock Dividends and Issuances Text Tags (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				9 Months Ended	12 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2011	Mar. 31, 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	1,100	475		13,519	1,208,039
Series D Convertible Preferred Stock, Shares Outstanding (in shares)										45,118
Conversion of Stock, Shares Issued	134,530	58,093		1,653,397
Treasury Stock, Shares, Acquired						2,321,286
Payments for Repurchase of Equity						$ 2,500
Class of Stock [Line Items]
Proceeds from Issuance of Private Placement		$ 4,400				$ 6,000
Common Stock
Dividends [Abstract]
Stock Issued During Period, Shares, New Issues		157,806	147,227			112,612
Sale of Stock, Price Per Share							$ 8.88	$ 7.75	$ 6.62
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares						180,573
Stock Issued During Period, Shares, New Issues		157,806	147,227			112,612
Sale of Stock, Price Per Share							8.88	7.75	$ 6.62
Series F Preferred Stock
Dividends [Abstract]
Series D Convertible Preferred Stock, Shares Outstanding (in shares)	5,000	5,000				5,000
Stock Issued During Period, Shares, New Issues		5,000
Sale of Stock, Price Per Share							1,000
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues		5,000
Sale of Stock, Price Per Share							$ 1,000
Series D Preferred Stock
Dividends [Abstract]
Series D Convertible Preferred Stock, Shares Outstanding (in shares)	16,501	17,601				17,601
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares						13,523
Series E Preferred Stock
Dividends [Abstract]
Series D Convertible Preferred Stock, Shares Outstanding (in shares)	3,177	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

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