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FHLB Advances and Other Borrowings - FHLB Advances (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Banking and Thrift [Abstract]
Within 1 year	$ 250,000	$ 100,000
1 to 3 years	750,000	700,000
4 to 5 years	430,000	730,000
More than 5 years	400,000	400,000
FHLB advances	$ 1,830,000	$ 1,930,000

X

- Definition

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 470



-Section 45



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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- References

No definition available.

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- Definition

Amount of advances from Federal Home Loan Bank (FHLBank) maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 470



-SubTopic 10



-Section 50



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 470



-Section 45



-Paragraph 1



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- Definition

Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 470



-SubTopic 10



-Section 50



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 470



-Section 45



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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- Definition

Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 470



-Section 45



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 470



-SubTopic 10



-Section 50



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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- Definition

Federal Home Loan Bank, Advances, Maturities Summary, Due from One Year to Three Years of Balance Sheet Date

+ References

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