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

12 Months Ended

Dec. 31, 2015

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, 2013	$	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	)
2015 change		250			(850	)		(600	)
Balance December 31, 2015	$	(1,159	)	$	(31,472	)	$	(32,631	)

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, 2013	$	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
2015 change		6		213			219
Balance December 31, 2015	$	631	$	10,630		$	11,261