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DEPOSITS - Brokered Certificates Of Deposit Mature (Detail) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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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. + Details
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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 + Details
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