Note 7 - Mortgages and Other Financing Receivables (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2013
Note 7 - Mortgages and Other Financing Receivables (Details) [Line Items]
Number of Days Past Due	90
Mortgage Loans on Real Estate, Number of Loans	25
In Default [Member]
Note 7 - Mortgages and Other Financing Receivables (Details) [Line Items]
Mortgage Loans on Real Estate, Number of Loans	1
Mortgage Loans on Real Estate (in Dollars)	$ 23.3
Area of Real Estate Property (in Square Meters)	427.00
Foreclosed [Member]
Note 7 - Mortgages and Other Financing Receivables (Details) [Line Items]
Mortgage Loans on Real Estate (in Dollars)	$ 1.3
Area of Real Estate Property (in Square Meters)	59.24

Indicates the number of mortgages under each classification.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.3)

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Paragraph 3

-Article 12

Name:	us-gaap_MortgageLoansOnRealEstateNumberOfLoans
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration