Consolidated Condensed Statements of Comprehensive Income (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]
Net income	$ 2,557	$ 2,112	$ 4,521	$ 4,088
Other comprehensive income:
Net unrealized holding gain (loss) on securities available-for-sale	3,164	(5,771)	5,846	(6,711)
Net unrealized gain on securities available-for-sale for which a portion of an other-than-temporary impairment has been recognized in income	205	475	839	465
Reclassification adjustment for realized gains included in net income	(211)	(43)	(362)	(382)
Net unrealized gain on derivative used for cash flow hedges	17	54	49	91
Other Comprehensive Income (Loss), before Tax, Total	3,175	(5,285)	6,372	(6,537)
Income tax (expense) benefit related to other comprehensive income	(1,100)	1,838	(2,199)	2,276
Other comprehensive income (loss)	2,075	(3,447)	4,173	(4,261)
Comprehensive income (Loss)	$ 4,632	$ (1,335)	$ 8,694	$ (173)