Asset purchase agreement date.

No definition available.

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- Definition

Business acquisition cost of acquired entity cash purchase price.

+ References

No definition available.

+ Details

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- Definition

Business acquisition cost of acquired entity stock purchase price.

+ References

No definition available.

+ Details

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- Definition

Date of definitive agreement.

+ References

No definition available.

+ Details

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ 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 210.5-02.18)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 7

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 18

-Article 5

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- Details

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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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Acquisition Definitive Agreement Signed - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Apr. 01, 2015	Apr. 08, 2015
Business Acquisition [Line Items]
Gross loans	2,928,476,000	$ 2,929,188,000	$ 2,688,288,000
Total deposits	4,837,007,000us-gaap_Deposits	4,750,255,000us-gaap_Deposits	4,234,281,000us-gaap_Deposits
Total assets	6,025,372,000us-gaap_Assets	5,848,202,000us-gaap_Assets	5,281,027,000us-gaap_Assets
FBC Bancshares, Inc. and First Bank, N.A. [Member]
Business Acquisition [Line Items]
Business acquisition, definitive agreement date	Apr. 01, 2015
First Bank, N.A. [Member]
Business Acquisition [Line Items]
Gross loans	264,432,000
Total deposits	352,164,000
Total assets	383,869,000
4Trust Mortgage, Inc. [Member]
Business Acquisition [Line Items]
Business acquisition, asset purchase agreement date	Apr. 08, 2015
Subsequent Event [Member] \| FBC Bancshares, Inc. and First Bank, N.A. [Member]
Business Acquisition [Line Items]
Business acquisition, expected stock purchase price				59,000,000
Subsequent Event [Member] \| 4Trust Mortgage, Inc. [Member]
Business Acquisition [Line Items]
Business acquisition, cash purchase price					$ 1,900,000