Note 19 - Commitments and Contingencies Commitment for Non Cancelable Operating Leases in Future Years (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense	$ 5,600,000	$ 5,000,000	$ 4,900,000
Operating Leases, Future Minimum Payments Due, Current	12,863,000
Operating Leases, Future Minimum Payments, Due in Two Years	12,810,000
Operating Leases, Future Minimum Payments, Due in Three Years	10,071,000
Operating Leases, Future Minimum Payments, Due in Four Years	4,458,000
Operating Leases, Future Minimum Payments, Due in Five Years	2,939,000
Operating Leases, Future Minimum Payments, Due Thereafter	0
Operating Leases, Future Minimum Payments Due	43,141,000
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals	$ 14,100,000