Note 6 - Employee Retirement Benefit Plans: Schedule of Obligations, Plan Assets and Funded Status of Employee Retirement Defined Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Changes in benefit obligation
Contributions by Employer	$ 175	$ 172
Actuarial (gain) loss	9,653	(514)
Contributions by Employer	175	172
Pension Plans, Defined Benefit
Changes in benefit obligation
Projected benefit obligation at beginning of the year	53,075	50,610
Beginning balance	24,760	23,226
Actual Return on Plan Assets	4,785	2,655
Contributions by Employer	103	1,484
Benefits Paid	(575)	(222)
Ending balance	29,073	24,760
Service cost
Interest cost	1,591	1,870
Actuarial (gain) loss	(6,000)	3,200
Benefits Paid	(575)	(222)
Settlement Payments		(2,383)
Projected benefit obligation at end of the year	48,091	53,075
Beginning balance	24,760	23,226
Actual Return on Plan Assets	4,785	2,655
Contributions by Employer	103	1,484
Benefits Paid	(575)	(222)
Ending balance	29,073	24,760
Supplemental Executive Retirement Plan
Changes in benefit obligation
Projected benefit obligation at beginning of the year	5,571	5,690
Contributions by Employer	500	540
Benefits Paid	(500)	(540)
Service cost
Interest cost	164	205
Actuarial (gain) loss	(389)	216
Benefits Paid	(500)	(540)
Projected benefit obligation at end of the year	4,846	5,571
Contributions by Employer	500	540
Benefits Paid	$ (500)	$ (540)