Business Segments Additional Information (Details)	12 Months Ended	3 Months Ended	9 Months Ended
Dec. 31, 2013 segment	Dec. 31, 2012 Real Estated Loans Accounted Under IFRS [Member]	Sep. 30, 2012 Real Estated Loans Accounted Under IFRS [Member]
Segment Reporting [Abstract]
Number of Reportable Segments	4
Financing Receivable, Impaired [Line Items]
Threshold period		10 months	7 months

Threshold period past due for financing receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_ThresholdPeriodPastDueForWriteoffOfFinancingReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration