Consolidated Condensed Statements of Comprehensive Income (Loss) (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 Income And Comprehensive Income [Abstract]
Unrealized gain (loss) on investment securities available for sale, tax effect	$ (1,340)	$ 3,405	$ (2,260)	$ 4,003
Unrealized gain on derivatives, tax effect	(31)	(40)	(56)	(72)
Reclassification adjustment for gains included in net income, tax effect	$ 82	$ 268	$ 86	$ 482