Securities Sold Under Agreements to Repurchase

12 Months Ended

Dec. 31, 2012

Securities Sold Under Agreements to Repurchase, Other Borrowed Funds and Subordinated Debentures And Deposits [Abstract]

Securities Sold Under Agreements to Repurchase

11.     Securities Sold Under Agreements to Repurchase

The following is a summary of securities sold under agreements to repurchase as of December 31,

	2012			2011			2010
	(dollars in thousands)
Amount outstanding at December 31	$	191,390		$	143,320		$	108,550
Weighted average rate at December 31		0.17	%		0.24	%		0.36	%
Maximum amount outstanding at any month end	$	213,730		$	152,267		$	239,830
Daily average balance outstanding during the year	$	174,624		$	129,137		$	133,080
Weighted average rate during the year		0.21	%		0.29	%		0.43	%

Amounts outstanding at December 31, 2012, 2011 and 2010 carried maturity dates of the next business day. U.S. Government Sponsored Enterprise securities with a total amortized cost of $187,995,000, $140,891,000 and $107,030,000 were pledged as collateral and held by custodians to secure the agreements at December 31, 2012, 2011 and 2010, respectively. The approximate fair value of the collateral at those dates was $191,704,000, $143,212,000 and $108,200,000, respectively.