Consolidated Condensed Statements of Comprehensive Income (Unaudited) (Parentheticals) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Statement Of Income and Comprehensive Income [Abstract]
Unrealized holding gains arising during the period, tax expense (in dollars)	$ 195	$ 299	$ 228	$ 566
Reclassification adjustment for gains included in net income, tax expense (in dollars)	$ 71	$ 14	$ 117	$ 56