Fair Values of Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The following tables present a reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the periods indicated:

	Fair Value Measurements Using Significant
	Unobservable Inputs (Level 3)
	Mortgage Servicing Rights
(dollars in thousands)	Three Months Ended March 31,
	2013			2012
Beginning balance at January 1,	$	726		$	—
Total gains or losses (realized/unrealized):
Included in earnings, gross	348			—
Less amortization	(46		)	—
Ending balance at March 31,	$	1,028		$	—

Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques

(dollars in thousands)	Fair Value at March 31, 2013		Valuation Techniques	Unobservable Input	Range
Nonrecurring measurements:
Impaired loans, net	$	12,968	Discounted appraisals	Collateral discounts	6.00% - 40.00%
Other real estate owned	33,790		Discounted appraisals	Collateral discounts	6.00% - 40.00%
Mortgage servicing rights	1,028		Discounted cash flows	Prepayment rate	10.00% - 30.00%
Mortgage servicing rights				Discount rate	6.00% - 12.00%

Continuing operations [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

Assets and liabilities carried at fair value on a recurring basis at March 31, 2013 for continuing operations, including financial instruments that FNB accounts for under the fair value option, are summarized in the following table:

(dollars in thousands)	Total		Level 1		Level 2		Level 3
Assets:
Available-for-sale debt securities:
U.S. government sponsored agencies	$	2,107	$	—	$	2,107	$	—
Residential mortgage-backed securities-GSE	408,464		—		408,464		—
Residential mortgage-backed securities-Private	22,621		—		22,621		—
Commercial mortgage-backed securities-GSE	22,396				22,396
Corporate notes	36,767		—		36,767		—
Total available-for-sale debt securities	492,355		—		492,355		—
Mortgage servicing rights	1,028		—		—		1,028
Total assets at fair value from continuing operations	$	493,383	$	—	$	492,355	$	1,028

Assets and liabilities carried at fair value on a recurring basis at December 31, 2012 for continuing operations, including financial instruments that FNB accounts for under the fair value option, are summarized in the following table:

(dollars in thousands)	Total		Level 1		Level 2		Level 3
Assets:
Available-for-sale debt securities:
U.S. Treasury and government agencies	$	6,981	$	—	$	6,981	$	—
U.S. government sponsored agencies	22,173		—		22,173		—
States and political subdivisions	6,038		—		6,038		—
Residential mortgage-backed securities-GSE	441,074		—		441,074		—
Residential mortgage-backed securities-Private	22,945		—		22,945		—
Commercial mortgage-backed securities-GSE	23,359		—		23,359		—
Commercial mortgage-backed securities-Private	5,317		—		5,317		—
Corporate notes	36,963		—		36,963		—
Total available-for-sale debt securities	564,850		—		564,850		—
Mortgage servicing rights	$	726	$	—	$	—	$	726
Total assets at fair value from continuing operations	$	565,576	$	—	$	564,850	$	726

Fair Value Measurements, Nonrecurring

Assets measured at fair value on a nonrecurring basis are included in the following table at March 31, 2013 for continuing operations:

(dollars in thousands)	Total		Level 1		Level 2		Level 3
Impaired loans, net	$	12,968	$	—	$	—	$	12,968
Other real estate owned	33,790		—		—		33,790
Total assets at fair value from continuing operations	$	46,758	$	—	$	—	$	46,758

Assets measured at fair value on a nonrecurring basis are included in the following table at December 31, 2012 for continuing operations:

(dollars in thousands)	Total		Level 1		Level 2		Level 3
Impaired loans, net	$	13,575	$	—	$	—	$	13,575
Other real estate owned	48,480		—		—		48,480
Total assets at fair value from continuing operations	$	62,055	$	—	$	—	$	62,055

Fair Value, by Balance Sheet Grouping

The estimated fair values of financial instruments for continuing operations are as follows at the periods indicated:

	At March 31, 2013
(dollars in thousands)	Carrying Value		Estimated Fair Value		Level 1		Level 2		Level 3
Financial Assets of Continuing Operations:
Cash and cash equivalents	$	262,293	$	262,293	$	262,293	$	—	—
Investment securities: Available-for-sale	492,355		492,355		—		492,355		—
Investment securities: Held-to-maturity	73,515		73,245		—		73,245		—
Loans held for sale	5,012		5,012		—		5,012		—
Loans, net	1,084,124		1,070,762		—		—		1,070,762
Accrued interest receivable	5,546		5,546		—		5,546		—
Financial Liabilities of Continuing Operations:
Deposits	1,856,161		1,858,736		—		1,858,736		—
Retail repurchase agreements	7,301		7,301		—		7,301		—
Federal Home Loan Bank advances	58,317		62,472		—		62,472		—
Junior subordinated debentures	56,702		19,418		—		—		19,418
Accrued interest payable	2,230		2,230		—		2,230		—

	At December 31, 2012
(dollars in thousands)	Carrying Value		Estimated Fair Value		Level 1		Level 2		Level 3
Financial Assets of Continuing Operations:
Cash and cash equivalents	$	239,610	$	239,610	$	239,610	$	—	$	—
Investment securities: Available-for-sale	564,850		564,850		—		564,850		—
Loans held for sale	6,974		6,974		—		6,974		—
Loans, net	1,147,721		1,140,088		—		—		1,140,088
Accrued interest receivable	6,102		6,102		—		6,102		—
Financial Liabilities of Continuing Operations:
Deposits	1,906,988		1,910,927		—		1,910,927		—
Retail repurchase agreements	8,675		8,675		—		8,675		—
Federal Home Loan Bank advances	58,328		62,950		—		62,950		—
Junior subordinated debentures	56,702		18,760		—		—		18,760
Accrued interest payable	2,111		2,111		—		2,111		—