Mortgage Loans (Details Textuals 2) (Financial Services [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2014
Interest rate lock commitments [Member]
Derivative [Line Items]
Notional amount	$ 303.2
Best-efforts whole loan delivery commitments [Member]
Derivative [Line Items]
Notional amount	28.2
Hedging Instruments Related To IRLCs [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	348.2
Notional amount	$ 243.8

Nominal or face amount used to calculate payments on the derivative asset.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant