Note 14 - Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure Text Block [Abstract]

Comprehensive Income (Loss) [Table Text Block]

	Unrealized Gains (Losses) On Securities			Adjustments For Pension Plans			Total Accumulated Other Comprehensive Loss, Net
Balance January 1, 2012	$	835		$	(24,333	)	$	(23,498	)
2012 change		1,224			(1,644	)		(420	)
Balance December 31, 2012		2,059			(25,977	)		(23,918	)
2013 change		(4,611	)		2,230			(2,381	)
Balance December 31, 2013		(2,552	)		(23,747	)		(26,299	)
2014 change		1,143			(6,875	)		(5,732	)
Balance December 31, 2014	$	(1,409	)	$	(30,622	)	$	(32,031	)

Comprehensive Income Loss Income Tax Effect [Table Text Block]

	Income Tax Effect of:
	Unrealized Gains (Losses) On Securities		Adjustments For Pension Plans			Total Accumulated Other Comprehensive Loss, Net
Balance January 1, 2012	$	457	$	6,146		$	6,603
2012 change		145		1,130			1,275
Balance December 31, 2012		602		7,276			7,878
2013 change		17		(1,512	)		(1,495	)
Balance December 31, 2013		619		5,764			6,383
2014 change		6		4,653			4,659
Balance December 31, 2014	$	625	$	10,417		$	11,042