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Note 16 - Income Tax (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Note 16 - Income Tax (Details) [Line Items]      
Tax Credit Carryforward, Limitations on Use     20
Undistributed Earnings Of Foreign And Domestic Subsidiaries $ 186,121 $ 149,249  
Unrecognized Tax Benefits 8,020 7,914  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 8,226 7,914  
Recovery Of Income Tax Interest And Penalties 29 38 238
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 151 122  
Unrecognized Tax Benefits, Period Increase (Decrease) 1,500    
CANADA | Minimum [Member]
      
Note 16 - Income Tax (Details) [Line Items]      
Income Tax Return Examination Period 3 years    
CANADA | Maximum [Member]
      
Note 16 - Income Tax (Details) [Line Items]      
Income Tax Return Examination Period 4 years    
Domestic Tax Authority [Member] | Minimum [Member]
      
Note 16 - Income Tax (Details) [Line Items]      
Income Tax Return Examination Period 3 years    
Domestic Tax Authority [Member] | Maximum [Member]
      
Note 16 - Income Tax (Details) [Line Items]      
Income Tax Return Examination Period 5 years    
AUSTRALIA
      
Note 16 - Income Tax (Details) [Line Items]      
Income Tax Return Examination Period 4 years    
Commercial Real Estate Segment [Member] | Amount Reversed [Member]
      
Note 16 - Income Tax (Details) [Line Items]      
Deferred Tax Assets, Valuation Allowance     $ 48,351
Minimum [Member]
      
Note 16 - Income Tax (Details) [Line Items]      
Tax Credit Carryforward, Limitations on Use 14    
Maximum [Member]
      
Note 16 - Income Tax (Details) [Line Items]      
Tax Credit Carryforward, Limitations on Use 20