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ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Summary of Advances from FHLB (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Short Term Debt [Line Items]
Fixed-rate advances from FHLB	$ 715,000	$ 670,000
long term debt [member]
Short Term Debt [Line Items]
Fixed-rate advances from FHLB	715,000	500,000
short term debt [member]
Short Term Debt [Line Items]
Fixed-rate advances from FHLB	$ 0	$ 170,000

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- Definition

Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

+ References

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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.

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