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Increases in the aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan due to the acquisition of similar loans accounted for as debt securities during the period. This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 15

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

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- Definition

Amount of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

+ Details

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- Definition

Amount of increase (decrease) of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

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- Definition

Carrying amount of receivable assets originating from the indemnification agreement with the Federal Deposit Insurance Corporation (FDIC), in which the FDIC is to partially cover losses.

+ References

No definition available.

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Business Combinations - Rollforward of Acquired Non-Covered Loans Without Deterioration of Credit Quality (Detail) (USD $) In Thousands, unless otherwise specified					6 Months Ended	12 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2014 Non-Covered Loans [Member]	Dec. 31, 2013 Non-Covered Loans [Member]	Jun. 30, 2014 Non-Covered Loans [Member]	Jun. 30, 2014 Loans without Deterioration of Credit Quality [Member] Non-Covered Loans [Member]	Dec. 31, 2013 Loans without Deterioration of Credit Quality [Member] Non-Covered Loans [Member]
Purchased Non Covered Loans [Line Items]
Balance, beginning of year					$ 26,189		$ 32,321	$ 381,588
Additions due to acquisitions					7,799	26,189		249,520	382,531
Loan payments, transfers, etc.								(22,234)	(943)
Balance, end of year	$ 49,180	$ 65,441	$ 105,513	$ 159,724				$ 608,874	$ 381,588