CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Other comprehensive income:
Net unrealized gain (loss) on available-for-sale securities, tax expense (benefit)	$ (357)	$ 1,015	$ 1,975	$ 940
Net realized (gain) loss on sale of available-for-sale securities included in net income, tax (expense) benefit	(104)	0	(325)	(113)
Change in nonqualified pension plan unrecognized net loss and unrecognized prior service cost, tax benefit	$ 15	$ 15	$ 43	$ 44