Short-Term Borrowings (Tables)

9 Months Ended

Sep. 30, 2012

Short-Term Borrowings [Abstract]

Securities sold under agreements to repurchase

	Nine Months Ended September 30, 2012			Twelve Months Ended December 31, 2011
Outstanding balance at end of period	$	60,031,000		$	72,569,000
Average interest rate at end of period		0.26	%		0.31	%
Average daily balance during the period	$	60,234,000		$	80,137,000
Average interest rate during the period		0.29	%		0.51	%
Maximum daily balance during the period	$	73,054,000		$	116,397,000