Stockholders' Equity Text Tag (Details) $ / shares in Units, $ in Thousands	3 Months Ended				9 Months Ended	12 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 shares	Jun. 30, 2020 shares	Dec. 31, 1994 USD ($)	Dec. 31, 2011 shares	Mar. 31, 2021 USD ($) $ / shares shares	Feb. 16, 2021 $ / shares	Feb. 01, 2021 $ / shares	Oct. 15, 2020 $ / shares	Mar. 31, 2020 $ / shares shares	Oct. 27, 2011 shares	Aug. 06, 2002 shares	Oct. 24, 1994 $ / shares shares
Stockholders' Equity Note [Abstract]
Common Stock, Shares Issued (in shares)	5,837,071					5,837,071				3,701,449			2,314,375
Common Stock, Par Value (in dollars per share) | $ / shares	$ 0.01					$ 0.01				$ 0.01			$ 0.01
Share Price (in dollars per share) | $ / shares													$ 10
Proceeds from Issuance of Common Stock | $				$ 21,500		$ 3,197
Stockholders' Equity, Reverse Stock Split					1-for-15
Common Stock, Shares Outstanding (in shares)	3,333,268					3,333,268				3,699,505	2,492,415
Stock Issued During Period, Shares, Reverse Stock Splits (in shares)					166,161
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares)												15,442
Treasury Stock, Shares, Acquired						2,321,286
Payments for Repurchase of Equity | $						$ 2,500
Proceeds from Other Equity | $						2,500
Conversion of Stock, Shares Converted	475		13,519
Conversion of Stock, Shares Issued	58,093		1,653,397
Class of Stock [Line Items]
Proceeds from Issuance of Private Placement | $	$ 4,400					$ 6,000
Tier One Leverage Capital IMCR to Average Assets	0.0900					0.0900				0.0900
Total Risk Based Capital IMCR to Risk Weighted Assets	0.1200					0.1200				0.1200
Tier One Leverage Capital to Average Assets	0.1001					0.1001				0.1125
Common Equity Tier One Capital to Risk Weighted Assets	14.41%					14.41%				15.23%
Tier One Risk Based Capital to Risk Weighted Assets	0.1441					0.1441				0.1523
Total Risk Based Capital to Risk Weighted Assets	0.1556					0.1556				0.1648
Common Stock
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 | $ / shares							$ 8.88	$ 7.75	$ 6.62
Series E Preferred Stock
Stockholders' Equity Note [Abstract]
Preferred Stock, Shares Outstanding (in shares)	3,177					3,177
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues	3,177
Sale of Stock, Price Per Share | $ / shares								$ 1,000
Series F Preferred Stock
Stockholders' Equity Note [Abstract]
Preferred Stock, Shares Outstanding (in shares)	5,000					5,000
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues	5,000
Sale of Stock, Price Per Share | $ / shares							$ 1,000
Series D Preferred Stock
Stockholders' Equity Note [Abstract]
Preferred Stock, Shares Outstanding (in shares)	17,601					17,601				45,118
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares						13,523