CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Other comprehensive income:
Net unrealized gain (loss) on available-for-sale securities, tax expense (benefit)	$ 742	$ (838)	$ 2,332	$ (75)
Net realized (gain) loss on sale of available-for-sale securities included in net income, tax (expense) benefit	(95)	(75)	(221)	(113)
Change in nonqualified pension plan unrecognized net loss and unrecognized prior service cost, tax benefit	$ 14	$ 15	$ 28	$ 29