Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

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-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611

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-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

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- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226000-175313

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (e)

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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RISK MANAGEMENT AND DERIVATIVE INSTRUMENTS - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended							9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Loan Origination Commitments	Sep. 30, 2014 Other Assets	Dec. 31, 2013 Other Assets	Sep. 30, 2014 Accrued Expenses and Other Liabilities	Dec. 31, 2013 Accrued Expenses and Other Liabilities	Sep. 30, 2014 California Geographic Concentration Risk Properties Securing Loans Held for Sale	Sep. 30, 2014 Interest rate swap Other Assets	Dec. 31, 2013 Interest rate swap Other Assets	Sep. 30, 2014 Interest rate swap Cash Flow Hedging	Dec. 31, 2013 Interest rate swap Cash Flow Hedging	Sep. 30, 2013 Interest rate swap Cash Flow Hedging	Sep. 30, 2014 Interest Rate Lock Commitment and Forward Contracts Not Designated as Hedging Instrument Other Assets	Sep. 30, 2014 Interest Rate Lock Commitment and Forward Contracts Not Designated as Hedging Instrument Accrued Expenses and Other Liabilities	Sep. 30, 2014 Mandatory forward commitments Other Assets	Dec. 31, 2013 Mandatory forward commitments Other Assets	Sep. 30, 2014 Mandatory forward commitments Accrued Expenses and Other Liabilities	Dec. 31, 2013 Mandatory forward commitments Accrued Expenses and Other Liabilities	Sep. 30, 2014 Mandatory forward commitments Not Designated as Hedging Instrument
Derivative [Line Items]
Derivatives, notional amount															$ 50,000,000.0
Derivatives asset, fair values						6,955,000	5,493,000				105,000	226,000	105,000	226,000		6,900,000		0	1,305,000
Concentration risk percentage										73.90%
Derivatives liability, fair values								596,000	0								596,000			271,000	0
Bank forward commitments outstanding								314,738,000	0											307,000,000	0	307,000,000
Committed fund loans for borrowers					200,400,000
Derivatives gain (loss)	$ (2,500,000)	$ (4,300,000)	$ (11,600,000)	$ (4,300,000)