Borrowed Money Borrowed Money (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Debt Disclosure [Abstract]
Advances from Federal Home Loan Banks	$ 25,000	$ 30,000
Subordinated Debt	13,403	18,403
Secured Debt, Repurchase Agreements	$ 0	$ 1,000
Federal Home Loan Bank, Advances, Weighted Average Interest Rate	1.50%	1.42%
Subordinated Borrowing, Interest Rate	5.23%	3.60%
Repurchase Agreement, Interest Rate	0.00%	1.15%
Federal Home Loan Bank, Advances, Activity for Year, Maximum Outstanding at any Month End	$ 30,000	$ 40,000
Subordinated Debt Maximum Outstanding at any month end	13,403	18,403
Repurchase Agreement, Maximum Month-end Outstanding Amount	1,000	1,000
Federal Home Loan Bank, Advances, Activity for Year, Average Balance of Agreements Outstanding	25,616	32,644
Subordinated Debt Average Outstanding for year	13,773	18,403
Repurchase Agreement, Average Outstanding Amount	$ 584	$ 271
Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate for Year	2.11%	1.79%
Subordinated Debt weighted average rate paid	4.54%	3.64%
Repurchase Agreement, Weighted Average Interest Rate	1.17%	1.15%