Available-for-sale, Securities, Number of Positions

No definition available.

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- Definition

General Obligation Bonds As Percentage Of Tax Exempt Municipal Securities That Were Not Pre Refunded

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No definition available.

+ Details

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- Definition

Maximum percentage of any general obligation bonds in one state

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No definition available.

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- Definition

Mortgage-backed Securities as Percentage of Agency Mortgage-backed Securities

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No definition available.

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- Definition

Percentage of corporate securities associated with financial services industry.

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No definition available.

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- Definition

Percentage of tax exempt securities

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No definition available.

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- Definition

Percentage Of tax-exempt to municipal securities classified as pre-refunded

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No definition available.

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- Definition

Percentage of Total Debt Securities

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No definition available.

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- Definition

Special Revenue Bonds As Percentage Of Tax Exempt Municipal Securities That Were Not Pre Refunded

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No definition available.

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- References

No definition available.

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- Definition

Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563

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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: 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=66902209&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 35
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560

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INVESTMENT SECURITIES - Additional Information (Detail)	3 Months Ended		9 Months Ended
INVESTMENT SECURITIES - Additional Information (Detail)	Sep. 30, 2016 USD ($) position	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) position	Sep. 30, 2015 USD ($)	Dec. 31, 2015 position
Investment [Line Items]
Percentage of debt securities considered to be of investment-grade	98.00%		98.00%
Percentage of tax-exempt municipal securities classified as pre-refunded	8.00%		8.00%
General obligation bonds as percentage of tax-exempt municipal securities that were not pre-refunded			45.00%
Special revenue bonds as percentage of tax exempt municipal securities that were not pre-refunded			55.00%
Maximum percentage of any general obligation bonds in one state			11.00%
Percentage of tax exempt securities	5.00%		5.00%
Percentage of corporate securities associated with financial services industry	22.00%		22.00%		25.00%
Securities in unrealized loss positions, number of positions	300		300
Number of positions					2,100
Other-than-temporary impairments \| $	$ 0	$ 0	$ 0	$ 0
Residential Mortgage-Backed Securities
Investment [Line Items]
Mortgage-backed Securities as Percentage of Agency Mortgage-backed Securities	99.00%		99.00%		98.00%