CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Unrealized holding gain (loss) on securities available for sale arising during the period, income tax	$ 2,804	$ (1,139)
Unrealized loss (gain) on securities available for sale for which a portion of an other than temporary impairment has been recognized in income, tax	627	39
Unrealized loss on cash flow hedges arising during the period, income tax	(443)	104
Amortization of items previously recorded in accumulated other comprehensive income (losses), income tax		345
Reclassification adjustment for gains (losses) included in net income, income tax expense	$ (83)	$ (21)