Mortgage Loans Held For Investment And Related Assets (Schedule Of Mortgage Loan Portfolio) (Details) - USD ($) $ in Thousands	Oct. 31, 2015	Apr. 30, 2015	Oct. 31, 2014	Apr. 30, 2014
Mortgage Loans Held For Investment And Related Assets [Abstract]
Adjustable-rate loans	$ 118,612	$ 130,182	$ 138,808
Adjustable-rate loans, percent of total loans	52.00%	53.00%	54.00%
Fixed-rate loans	$ 107,612	$ 115,034	$ 119,920
Fixed-rate loans, percent of Total loans	48.00%	47.00%	46.00%
Total loans	$ 226,224	$ 245,216	$ 258,728
Total loans, percent of Total loans	100.00%	100.00%	100.00%
Unamortized deferred fees and costs	$ 1,859	$ 2,008	$ 2,125
Less: Allowance for loan losses	(7,412)	(7,886)	(9,761)	$ (11,272)
Total	$ 220,671	$ 239,338	$ 251,092

Adjustable Rate Loans To Total Loans

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Fixed Rate Loans To Total Loans

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Mortgage Loans Held For Investment And Related Assets [Abstract]

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Total Loans To Total Loans

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section L
-Subsection 1

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of loan with fixed rate of interest.

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Amount of loan with variable or adjustable rate of interest.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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