Unaudited Condensed Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Unrealized holding gain on available for sale securities arising during the period on securities held at end of period, tax	$ (824)	$ 1,023	$ 1,563	$ 415
Reclassification adjustment for prior period unrealized gain previoously reported in other comprehensive income recognized during current period, tax	1,322,000	(1,000)	1,397,000	57,000
Change in unfunded portion of postretirement benefit obligation, tax	$ 4,000	$ 8,000	$ 14,000	$ (649,000)