Loans Receivable and Allowance for Loan and Lease Losses TDRs (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts				1
Business
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	2	0	3	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 648	$ 0	$ 2,360	$ 285
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,014	$ 0	$ 2,776	$ 285
weighted average rate pre modification	6.11%	0.00%	6.51%	7.25%
Weighted average rate post modification	6.24%	0.00%	6.06%	7.00%

Weighted average rate post modification on TDR loans

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- Definition

weighted average rate pre modification rates on TDR loans

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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