Note 4 - Other Revenues (Details) - Other Revenues (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 4 - Other Revenues (Details) - Other Revenues [Line Items]
Other Revenues	$ 53,120	$ 55,616	$ 57,753
Insurance Services [Member]
Note 4 - Other Revenues (Details) - Other Revenues [Line Items]
Other Revenues	15,143	15,671	15,657
Management and Accounting Services Fees [Member]
Note 4 - Other Revenues (Details) - Other Revenues [Line Items]
Other Revenues	18,160	20,042	21,601
Rental Income [Member]
Note 4 - Other Revenues (Details) - Other Revenues [Line Items]
Other Revenues	19,132	19,314	19,545
Other Income [Member]
Note 4 - Other Revenues (Details) - Other Revenues [Line Items]
Other Revenues	$ 685	$ 589	$ 950