Consolidated Statements of Financial Condition Consolidated Statements of Financial Condition Parentheticals - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020
Statement of Financial Position [Abstract]
Held-to-maturity, Fair Value	$ 10,304	$ 10,564
Series D Convertible Preferred Stock, Par Value (in dollars per share)	$ 0.01	$ 0.01
Series D Convertible Preferred Stock, Shares Issued (in shares)	44,521	45,118
Series D Convertible Preferred Stock, Shares Outstanding (in shares)	44,521	45,118
Series D Convertible Preferred Stock, Liquidation Preference (in dollars per share)	$ 1,000	$ 1,000
Common Stock, Par Value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, Shares Authorized (in shares)	10,000,000	10,000,000
Common Stock, Shares Issued (in shares)	3,775,052	3,701,449
Common Stock, Shares Outstanding (in shares)	3,773,108	3,699,505
Treasury Stock	1,944	1,944