Note 17 - Accumulated Other Comprehensive Income ("AOCI") (Details) - Accumulated Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (44,128)		$ (44,128)			$ (66,182)
Other comprehensive income before reclassifications			29,248
Amounts reclassified from AOCI (1)			(7,194)	[1]
Net current-period other comprehensive income	17,965	44,220	21,689		55,092
Accumulated Translation Adjustment [Member] | Current Period [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net current-period other comprehensive income			(1,834)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(87,238)		(87,238)			(85,404)
Other comprehensive income before reclassifications			(1,834)
Amounts reclassified from AOCI (1)				[1]
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Current Period [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net current-period other comprehensive income			23,888
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	43,110		43,110			19,222
Other comprehensive income before reclassifications			31,082
Amounts reclassified from AOCI (1)			(7,194)	[1]
Current Period [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net current-period other comprehensive income			$ 22,054

[1] Amounts were reclassified to Interest, dividends and other investment income on the Company's Condensed Consolidated Statements of Income.