Organization Organization Text Tag (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2003	Sep. 17, 2003	Oct. 24, 1994
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Common Stock, Shares Issued (in shares)	3,700,728	3,700,728	3,698,031			2,314,375
Common Stock, Par Value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01			$ 0.01
subordinated debt issued shares (in shares)					13,000
Liquidation amount subordinated debt (in dollars per share)					$ 1,000
Proceeds from Issuance of Long-term Debt				$ 13,000
Proceeds from (Payments for) Other Financing Activities				400
Payments for Repurchase of Trust Preferred Securities				$ 13,400
Debt Instrument, Basis Spread on Variable Rate		3.05%
Subordinated Borrowing, Interest Rate	5.66%	5.66%	5.23%
Accrued interest expense subordinated debt	$ 1,700	$ 1,700	$ 914