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DEPOSITS - Brokered Certificates Of Deposit Mature (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	$ 1,150,485	$ 1,439,697
Brokered Certificates Of Deposit Mature In One To Ninety Days [Member]
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	194,703
Brokered Certificates Of Deposit Mature In One To Three Years [Member]
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	360,566
Brokered Certificates Of Deposit Mature In Three To Five Years [Member]
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	131,666
Brokered Certificates Of Deposit Mature In Over Five Years [Member]
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	1,380
Brokered Certificates Of Deposit Mature Over Three Months To Six Months [Member]
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	133,093
Brokered Certificates Of Deposit Mature Over Six Months To One Year [Member]
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	$ 329,077

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- Definition

Deposits [Line Items]

+ References

No definition available.

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- Definition

Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities.

+ 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

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