Amount classified as deposits disposed of

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- Definition

Gain included in earnings related to the Branch Consolidation and Sales Plan

+ References

No definition available.

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- Definition

Amounts classified as loans disposed of

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No definition available.

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- Definition

Amount of operating branches management plans to sell or consolidate as a result of the Branch Consolidation and Sales Plan.

+ References

No definition available.

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- Definition

Amount of parcels of land management plans to sell as a result of the Branch Consolidation and Sales Plan. Represents parcels of undeveloped land that had been acquired for for future branch expansion.

+ References

No definition available.

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- Definition

Amount classified as bank premises and equipment disposed of

+ References

No definition available.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2611-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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- Definition

Carrying amount as of the balance sheet date of parcels of land held for sale, and on which the entity has no intention or no further intention to perform construction activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Bank Premises & Equipment (Bank Premises and Equipment - Additional Information) (Detail)	3 Months Ended			6 Months Ended
	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Bank Premises and Equipment
Gain on Branch Consolidation and Sales Plan				$ 19,000,000
Land and improvements held for sale	$ 31,000,000			31,000,000		$ 55,000,000
Buildings held for sale	20,000,000			20,000,000		$ 20,000,000
Branch Banking
Bank Premises and Equipment
Bank premises impairment	$ 1,000,000		$ 98,000,000	$ 3,000,000	$ 102,000,000
St. Louis MSA to Great Southern Bank
Bank Premises and Equipment
Loans Sold		$ 158,000,000
Deposits Sold		228,000,000
Premises And Equipment Sold		18,000,000
Gain on Branch Consolidation and Sales Plan		$ 8,000,000
Branch Consolidation and Sales Plan \| Disposal group classified as held for sale
Bank Premises and Equipment
Operating Branch Locations	27			27
Parcels Of Undeveloped Land	20			20
Branch Consolidation and Sales Plan \| Disposal group classified as held for sale \| Bank Premises And Equipment
Bank Premises and Equipment
Land and improvements held for sale	$ 20,000,000			$ 20,000,000
Buildings held for sale	9,000,000			9,000,000
Pittsburgh MSA To First National Bank of Pennsylvania
Bank Premises and Equipment
Loans Sold	99,000,000			99,000,000
Deposits Sold	302,000,000			302,000,000
Premises And Equipment Sold	16,000,000			$ 16,000,000
Gain on Branch Consolidation and Sales Plan	$ 11,000,000