Borrowed Funds (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Borrowed Funds

	2012		2011
Securities sold under repurchase agreements	$	295,616		361,833
FHLB line of credit		—		30,000
FHLB advances		507,648		518,347
Federal funds purchased		—		10,000
	$	803,264		920,180

Scheduled Maturities of FHLB Advances

	2012
Due in one year or less	$	32,515
Due after one year through two years		132,770
Due after two years through three years		179,299
Due after three years through four years		102,850
Due after four years through five years		60,000
Thereafter		214
	$	507,648

Scheduled Maturities of Securities Sold Under Repurchase Agreements

	2012
Due in one year or less	$	125,616
Due after one year through two years		—
Due after two years through three years		15,000
Due after three years through four years		75,000
Due after four years through five years		25,000
Thereafter		55,000
	$	295,616

Debt Disclosure by Year

	Maximum balance		Average balance		Weighted average interest rate
2012:
Securities sold under repurchase agreements	$	357,164		319,031		2.04	%
FHLB line of credit		178,000		29,004		0.39
FHLB advances		518,215		516,440		2.51
Federal funds purchased		—		253		1.00
2011:
Securities sold under repurchase agreements	$	366,460		338,839		2.18	%
FHLB line of credit		64,000		9,918		0.47
FHLB advances		585,234		560,420		2.81
Federal funds purchased		10,000		353		0.50