CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Unrealized holding gain (loss) on securities available for sale arising during the period, income tax	$ 3,149	$ (5,201)	$ 5,953	$ (6,340)
Unrealized gain (loss) on securities available for sale for which a portion of an other than temporary impairment has been recognized in income, tax	290	113	916	151
Unrealized loss on cash flow hedges arising during the period, income tax	452	525	(895)	629
Amortization of items previously recorded in accumulated other comprehensive income (losses), income tax		39		384
Reclassification adjustment for gains (losses) included in net income, income tax expense	$ 172	$ 17	$ 256	$ 37