Mortgage Loans Held For Investment And Related Assets (Schedule Of Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended
Jul. 31, 2015	Jul. 31, 2014
Loans and Leases Rollforward [Roll Forward]
Balance at beginning of the period	$ 7,886	$ 11,272
Provision	(28)	725
Recoveries	365	679
Charge-offs	(564)	(2,115)
Balance at end of the period	$ 7,659	$ 10,561

Loans and Leases Rollforward [Roll Forward]

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- Definition

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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- Definition

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

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Amount of expense related to estimated loss from loan and lease transactions.

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