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ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Advances from FHLB Mature (Detail) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Federal Home Loan Bank Advances Branch Of F H L B Bank [Line Items] |  |
Federal Home Loan Bank Advances | $ 715,000 | $ 670,000
One to three years |  |
Federal Home Loan Bank Advances Branch Of F H L B Bank [Line Items] |  |
Federal Home Loan Bank Advances | 300,000 |
Three to five years |  |
Federal Home Loan Bank Advances Branch Of F H L B Bank [Line Items] |  |
Federal Home Loan Bank Advances | 320,000 |
Six months to one year [Member] |  |
Federal Home Loan Bank Advances Branch Of F H L B Bank [Line Items] |  |
Federal Home Loan Bank Advances | $ 95,000 |

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- Definition Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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