Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value Disclosures [Abstract]

Fair Value Measurements of Assets and Liabilities Recognized in Consolidated Condensed Balance Sheets Measured at Fair Value

The following table presents the fair value measurements of assets and liabilities recognized in the accompanying balance sheets measured at fair value on a recurring basis and the level within the ASC 820-10 fair value hierarchy in which the fair value measurements fall at December 31, 2012 and 2011.

			Fair Value Measurements Using:
			Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs		Significant Unobservable Inputs
December 31, 2012	Fair Value		(Level 1)	(Level 2)		(Level 3)
U.S. Government-sponsored agency securities	$	4,640		$	4,640
State and municipal	158,194			140,094		$	18,100
U.S. Government-sponsored mortgage-backed securities	348,579			348,579
Corporate obligations	224					224
Equity securities	1,706			1,702		4
Interest rate swap asset	6,103			6,103
Interest rate cap	197			197
Interest rate swap liability	9,766			9,766

			Fair Value Measurements Using:
			Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs		Significant Unobservable Inputs
December 31, 2011	Fair Value		(Level 1)	(Level 2)		(Level 3)
U.S. Government-sponsored agency securities	$	117		$	117
State and municipal	147,353			126,712		$	20,641
U.S. Government-sponsored mortgage-backed securities	368,998			368,998
Corporate obligations	193					193
Equity securities	1,830			1,826		4
Interest rate swap asset	5,241					5,241
Interest rate cap	424					424
Interest rate swap liability	7,797					7,797

Reconciliation of Beginning and Ending Balances of Recurring Fair Value Measurements Recognized in Consolidated Condensed Balance Sheets using Significant Unobservable Level 3 Inputs

The following is a reconciliation of the beginning and ending balances of recurring fair value measurements recognized in the accompanying balance sheet using significant unobservable Level 3 inputs for year ended December 31, 2012 and 2011.

	Year Ended December 31, 2012
	Available for Sale Securities			Interest Rate Swap Asset			Interest  Rate Cap			Interest Rate Swap Liability
Beginning Balance	$	20,838		$	5,241		$	424		$	7,797
Total realized and unrealized gains and losses
Included in net income				(860		)				(863		)
Included in other comprehensive income	(1,141		)	481			(15		)
Purchases, issuances, and settlements
Transfers in/(out) of Level 3				(4,862		)	(409		)	(6,934		)
Principal payments	(1,369		)
Ending balance	$	18,328

	Year Ended December 31, 2011
	Available for Sale Securities			Interest Rate Swap Asset			Interest Rate Cap			Interest Rate Swap Liability
Beginning Balance	$	186		$	4,002		$	1,109		$	3,876
Total realized and unrealized gains and losses
Included in net income	(400		)	3,827						3,921
Included in other comprehensive income	2,029			(2,588		)	(685		)
Purchases, issuances, and settlements
Transfers in/(out) of Level 3	18,711
Principal payments	312
Ending balance	$	20,838		$	5,241		$	424		$	7,797

Transfer Between Levels 1, 2 and 3 and Reasons For Transfers

TRANSFERS BETWEEN LEVELS

	Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs		Significant Unobservable Inputs
	(Level 1)	(Level 2)		(Level 3)			Reason for Transfer
Transfers to/(from) Level:							The interest rate swap and cap instruments were transferred from Level 3 to Level 2 as of March 31, 2012 due to the availability of additional valuation information. These instruments are valued using widely accepted valuation techniques including discounted cash flow analysis using observable inputs such as contractual terms and LIBOR-based rate curves.
Interest rate swap asset		$	4,862	$	(4,862	)
Interest rate cap		409		(409		)
Interest rate swap liability		6,934		(6,934		)

Description of Valuation Methodologies Used for Instruments Measured at Fair Value on a Non-Recurring Basis and Recognized in Consolidated Condensed Balance Sheets

Following is a description of valuation methodologies used for instruments measured at fair value on a non-recurring basis and recognized in the accompanying balance sheet, as well as the general classification of such instruments pursuant to the valuation hierarchy for year ended December 31, 2012 and 2011.

			Fair Value Measurements Using
			Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs	Significant Unobservable Inputs
December 31, 2012	Fair Value		(Level 1)	(Level 2)	(Level 3)
Impaired Loans (collateral dependent)	$	17,703			$	17,703
Other real estate owned	$	7,684			$	7,684

			Fair Value Measurements Using
			Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs	Significant Unobservable Inputs
December 31, 2011	Fair Value		(Level 1)	(Level 2)	(Level 3)
Impaired Loans (collateral dependent)	$	22,885			$	22,885
Other real estate owned	$	7,882			$	7,882

Unobservable Inputs Used in Recurring and Nonrecurring Level 3 Fair Value Measurements Other Than Goodwill

The following table presents quantitative information about unobservable inputs used in recurring and nonrecurring Level 3 fair value measurements, other than goodwill, at December 31, 2012

	Fair Value		Valuation Technique	Unobservable Inputs	Range
State and municipal securities	$	18,100	Discounted cash flow	Maturity Call Date Blend of US Muni BQ curve Discount rate	1 month to 11 years A- to BBB- 1% - 4%
Corporate obligations/Equity securities	$	228	Discounted cash flow	Risk free rate plus Premium for illiquidity	3 month LIBOR plus 200 bps
Impaired loans (collateral dependent)	$	17,703	Collateral based measurements	Discount to reflect current market conditions and ultimate collectability	0% - 50%
Other real estate owned	$	7,684	Appraisals	Discount to reflect current market conditions	0% - 20%

Estimated Fair Values of Financial Instruments

The following table presents estimated fair values of the Corporation's financial instruments and the level within the fair value hierarchy in which the fair value measurements fall at December 31, 2012, and December 31, 2011.

	2012
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets at December 31:
Cash and cash equivalents	$	101,460	$	101,460
Interest-bearing time deposits	38,443		38,443
Investment securities available for sale	513,343				$	495,015	$	18,328
Investment securities held to maturity	361,020				366,590		11,584
Mortgage loans held for sale	22,300				22,300
Loans	2,832,843						2,852,614
FRB and FHLB stock	32,785				32,785
Interest rate swap asset	6,300				6,300
Interest receivable	16,367				16,367
Liabilities at December 31:
Deposits	$	3,346,383	$	2,478,706	$	865,793
Borrowings:
Federal funds purchased	18,862				18,862
Securities sold under repurchase agreements	141,828				142,318
FHLB Advances	94,238				97,357
Subordinated debentures and term loans	112,161				62,133
Interest rate swap liability	9,766				9,766
Interest payable	1,841				1,841

	2011
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets at December 31:
Cash and cash equivalents	$	73,312	$	73,312
Interest-bearing time deposits	52,851		52,851
Investment securities available for sale	518,491				$	497,653	$	20,838
Investment securities held to maturity	427,909				428,737		13,732
Mortgage loans held for sale	17,864				17,864
Loans	2,642,517						2,658,227
FRB and FHLB stock	31,270				31,270
Interest rate swap asset	5,665						5,665
Interest receivable	17,723				17,723
Liabilities at December 31:
Deposits	$	3,134,655	$	2,195,679	$	944,078
Borrowings:
Securities sold under repurchase agreements	156,305				157,342
FHLB Advances	138,095				141,693
Subordinated debentures and term loans	194,974				142,632
Interest rate swap liability	7,797						7,797
Interest payable	2,925				2,925