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Investment Securities: Investment Securities (Details) - Investments - USD ($)
$ in Thousands

6 Months Ended

12 Months Ended

Sep. 30, 2016

Mar. 31, 2016

Trust preferred

Available-for-sale Securities, Amortized Cost Basis

$ 1,786

$ 1,919

Unrealized holding gain (loss) on investment securities available for sale

Available-for-sale Securities, Gross Unrealized Loss

(111)

Available For Sale Securities, Estimated Fair Value

1,786

1,808

Agency securities

Available-for-sale Securities, Amortized Cost Basis

14,006

19,520

Unrealized holding gain (loss) on investment securities available for sale

55

63

Available-for-sale Securities, Gross Unrealized Loss

(10)

(14)

Available For Sale Securities, Estimated Fair Value

14,051

19,569

Real estate mortgage investment conduits

Available-for-sale Securities, Amortized Cost Basis

^[1]

42,091

43,293

Unrealized holding gain (loss) on investment securities available for sale

^[1]

570

632

Available-for-sale Securities, Gross Unrealized Loss

^[1]

(1)

Available For Sale Securities, Estimated Fair Value

^[1]

42,661

43,924

Mortgage-backed securities

Available-for-sale Securities, Amortized Cost Basis

^[1]

75,662

75,404

Unrealized holding gain (loss) on investment securities available for sale

^[1]

1,175

980

Available-for-sale Securities, Gross Unrealized Loss

^[1]

(15)

(31)

Available For Sale Securities, Estimated Fair Value

^[1]

76,822

76,353

Other mortgage-backed securities

Available-for-sale Securities, Amortized Cost Basis

^[2]

16,755

8,875

Unrealized holding gain (loss) on investment securities available for sale

^[2]

219

185

Available-for-sale Securities, Gross Unrealized Loss

^[2]

(43)

(24)

Available For Sale Securities, Estimated Fair Value

^[2]

16,931

9,036

Investment

Available-for-sale Securities, Amortized Cost Basis

150,300

149,011

Unrealized holding gain (loss) on investment securities available for sale

2,019

1,860

Available-for-sale Securities, Gross Unrealized Loss

(68)

(181)

Available For Sale Securities, Estimated Fair Value

152,251

150,690

Mortgage-backed

Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment

^[3]

69

75

Held-to-maturity Securities, Accumulated Unrecognized Holding Gain

^[3]

2

1

Held-to-maturity Securities, Fair Value

^[3]

$ 71

$ 76

[1]	Comprised of Federal Home Loan Mortgage Corporation ("FHLMC"), Federal National Mortgage Association ("FNMA") and Ginnie Mae ("GNMA") issued securities.
[2]	Comprised of U.S. Small Business Administration ("SBA") issued securities and commercial real estate ("CRE") secured securities issued by FNMA.
[3]	Comprised of FHLMC and FNMA issued securities.

X

- Definition

Represents the monetary amount of Available for Sale Securites, Estimated Fair Value, as of the indicated date.

+ References

No definition available.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
-Paragraph 5
-Subparagraph (b)
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Fair value of investments in debt securities classified as held-to-maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

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-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

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