Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Measurements

Schedule of financial assets and financial liabilities measured at fair value on a recurring basis

	Level 1		Level 2		Level 3		Total
	Inputs		Inputs		Inputs		Fair Value
	(dollars in thousands)
June 30, 2013
Securities available for sale:
U.S. Treasury securities	$	—	$	103,175	$	—	$	103,175
Obligations of U.S. government corporations and agencies	—		314,640		—		314,640
Obligations of states and political subdivisions	—		295,067		—		295,067
Residential mortgage-backed securities	—		177,241		—		177,241
Corporate debt securities	—		24,436		—		24,436
Mutual funds and other equity securities	7,006		—		—		7,006
	$	7,006	$	914,559	$	—	$	921,565
December 31, 2012
Securities available for sale:
U.S. Treasury securities	$	—	$	104,656	$	—	$	104,656
Obligations of U.S. government corporations and agencies	—		370,194		—		370,194
Obligations of states and political subdivisions	—		280,288		—		280,288
Residential mortgage-backed securities	—		217,715		—		217,715
Corporate debt securities	24,714		—		—		24,714
Mutual funds and other equity securities	3,930		—		—		3,930
	$	28,644	$	972,853	$	—	$	1,001,497

Schedule of assets and liabilities measured at fair value on a non-recurring basis

	Level 1		Level 2		Level 3		Total
	Inputs		Inputs		Inputs		Fair Value
	(dollars in thousands)
June 30, 2013
Impaired loans	$	—	$	—	$	4,735	$	4,735
OREO	—		—		57		57
December 31, 2012
Impaired loans	$	—	$	—	$	2,284	$	2,284
OREO	—		—		511		511

Schedule of quantitative information about Level 3 fair value measurements

	Quantitative Information about Level 3 Fair Value Measurements
	Fair Value		Valuation	Unobservable
	Estimate		Techniques	Input	Range
	(dollars in thousands)
June 30, 2013
Impaired loans	$	4,735	Appraisal of collateral	Appraisal adjustments	-2.2% to -100.0%
OREO	57		Appraisal of collateral	Appraisal adjustments	-61.1% to -100.0%

Schedule of estimated fair values of financial instruments

	June 30, 2013				December 31, 2012
	Carrying		Fair		Carrying		Fair
	Amount		Value		Amount		Value
	(dollars in thousands)
Financial assets:
Level 2 inputs:
Cash and due from banks	$	251,204	$	251,204	$	351,255	$	351,255
Loans held for sale	40,874		41,674		40,003		40,971
Accrued interest receivable	12,029		12,029		12,275		12,275
Level 3 inputs:
Loans, net	2,069,733		2,071,329		1,985,095		2,006,588
Financial liabilities:
Level 2 inputs:
Deposits	$	2,870,936	$	2,874,156	$	2,980,292	$	2,987,524
Securities sold under agreements to repurchase	148,238		148,238		139,024		139,024
Long-term debt	—		—		7,000		7,120
Junior subordinated debt owed to unconsolidated trusts	55,000		55,000		55,000		55,000
Accrued interest payable	819		819		1,128		1,128