Note 23 - Accumulated Other Comprehensive Income (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
CANADA
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	$ 6,300
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		$ (18,780)	[1]
Gain on Disposition of Operating Properties Net of Tax [Member] | Accumulated Foreign Currency Adjustment Attributable to Parent [Member] | CHILE
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		19,600
Equity in Income of Joint Ventures, Net [Member] | Accumulated Foreign Currency Adjustment Attributable to Parent [Member] | CHILE
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		$ 800

[1] During 2015, the Company recognized a cumulative foreign currency translation loss as a result of the liquidation of the Company's investment in Chile. Amounts were reclassified on the Company's Consolidated Statements of Income as follows (i) $19.6 million of loss was reclassified to Gain on sale of operating properties, net of tax, offset by (ii) $0.8 million of gain was reclassified to Equity in income of joint ventures, net.