Fair Value of Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2013

Fair value measurement of assets and liabilities measured at fair value on a recurring basis



			Fair Value Measurements At the End of the Reporting Period Using
(Dollars in thousands)	Fair Value June 30, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Investment securities, available-for-sale
U.S. government sponsored enterprises	$	13,151	—	13,151	—
State and local governments	1,339,876		—	1,339,876	—
Corporate bonds	442,797		—	442,797	—
Residential mortgage-backed securities	1,925,553		—	1,925,553	—
Total assets measured at fair value on a recurring basis	$	3,721,377	—	3,721,377	—
Interest rate swaps	$	1,270	—	1,270	—
Total liabilities measured at fair value on a recurring basis	$	1,270	—	1,270	—



			Fair Value Measurements At the End of the Reporting Period Using
(Dollars in thousands)	Fair Value December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Investment securities, available-for-sale
U.S. government and federal agency	$	202	—	202	—
U.S. government sponsored enterprises	17,480		—	17,480	—
State and local governments	1,214,518		—	1,214,518	—
Corporate bonds	288,795		—	288,795	—
Collateralized debt obligations	1,708		—	1,708	—
Residential mortgage-backed securities	2,160,302		—	2,160,302	—
Total assets measured at fair value on a recurring basis	$	3,683,005	—	3,683,005	—
Interest rate swaps	$	16,832	—	16,832	—
Total liabilities measured at fair value on a recurring basis	$	16,832	—	16,832	—

Fair value measurement of assets measured at fair value on a non-recurring basis



			Fair Value Measurements At the End of the Reporting Period Using
(Dollars in thousands)	Fair Value June 30, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Other real estate owned	$	5,459	—	—	5,459
Collateral-dependent impaired loans, net of ALLL	19,039		—	—	19,039
Total assets measured at fair value on a non-recurring basis	$	24,498	—	—	24,498



			Fair Value Measurements At the End of the Reporting Period Using
(Dollars in thousands)	Fair Value December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Other real estate owned	$	13,983	—	—	13,983
Collateral-dependent impaired loans, net of ALLL	22,966		—	—	22,966
Total assets measured at fair value on a non-recurring basis	$	36,949	—	—	36,949

Quantitative information about assets measured at fair value on a non-recurring basis for which Level 3 inputs were used



	Fair Value		Quantitative Information about Level 3 Fair Value Measurements
(Dollars in thousands)	June 30, 2013		Valuation Technique	Unobservable Input	Range (Weighted Average) ¹
Other real estate owned	$	5,459	Sales comparison approach	Selling costs	6.5% - 10.0% (7.3%)
				Adjustment to comparables	0.0% - 10.0% (0.1%)
Collateral-dependent impaired loans, net of ALLL	$	928	Cost approach	Selling costs	0.0% - 20.0% (4.4%)
	5,182		Income approach	Selling costs	8.0% - 8.0% (8.0%)
				Discount rate	6.0% - 8.3% (7.2%)
	8,515		Sales comparison approach	Selling costs	0.0% - 10.0% (7.9%)
				Discount rate	0.0% - 5.0% (2.5%)
				Adjustment to comparables	0.0% - 5.0% (0.2%)
	4,414		Combined approach	Selling costs	8.0% - 10.0% (8.7%)
				Discount rate	7.5% - 7.5% (7.5%)
				Adjustment to comparables	0.0% - 36.0% (17.4%)
	$	19,039

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¹The range for selling costs and adjustments to comparables indicate reductions to the fair value.

Carrying amounts and estimated fair values of financial instruments



			Fair Value Measurements At the End of the Reporting Period Using
(Dollars in thousands)	Carrying Amount June 30, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Financial assets
Cash and cash equivalents	$	132,456	132,456	—	—
Investment securities, available-for-sale	3,721,377		—	3,721,377	—
Loans held for sale	95,495		95,495	—	—
Loans receivable, net of ALLL	3,542,573		—	3,457,402	181,191
Accrued interest receivable	43,593		43,593	—	—
Non-marketable equity securities	49,752		—	49,752	—
Total financial assets	$	7,585,246	271,544	7,228,531	181,191
Financial liabilities
Deposits	$	5,358,197	3,813,660	1,610,300	—
FHLB advances	1,217,445		—	1,237,320	—
Repurchase agreements and other borrowed funds	308,513		—	308,513	—
Subordinated debentures	125,490		—	78,062	—
Accrued interest payable	3,824		3,824	—	—
Interest rate swaps	1,270		—	1,270	—
Total financial liabilities	$	7,014,739	3,817,484	3,235,465	—



			Fair Value Measurements At the End of the Reporting Period Using
(Dollars in thousands)	Carrying Amount December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)
Financial assets
Cash and cash equivalents	$	187,040	187,040	—	—
Investment securities, available-for-sale	3,683,005		—	3,683,005	—
Loans held for sale	145,501		145,501	—	—
Loans receivable, net of ALLL	3,266,571		—	3,184,987	186,201
Accrued interest receivable	37,770		37,770	—	—
Non-marketable equity securities	48,812		—	48,812	—
Total financial assets	$	7,368,699	370,311	6,916,804	186,201
Financial liabilities
Deposits	$	5,364,461	3,585,126	1,789,134	—
FHLB advances	997,013		—	1,027,101	—
Repurchase agreements and other borrowed funds	299,540		—	299,540	—
Subordinated debentures	125,418		—	70,895	—
Accrued interest payable	4,675		4,675	—	—
Interest rate swaps	16,832		—	16,832	—
Total financial liabilities	$	6,807,939	3,589,801	3,203,502	—

- Definition

Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3).

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- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 15

-Subparagraph b-d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph c(2), d, e, f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-Subparagraph a, c(1), c(2), c(3), d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13467-108611

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 30

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 14

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610

Reference 12: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 19

-Subparagraph a, b, c(1), d(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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