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ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Advances from FHLB Mature (Detail) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Advances from Federal Home Loan Banks [Abstract]
Federal Home Loan Bank Advances Maturities Due Thirty To Ninety Days	$ 70,000
Federal Home Loan Bank Advances Maturities Due One To Three Years	420,000
Federal Home Loan Bank Advances Maturities Due Three To Four Years	200,000
Total Federal Home Loan Bank Advances	$ 690,000	$ 715,000

X

- Definition

Amount of advances from Federal Home Loan Bank (FHLBank) maturing in one to three years. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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X

- Definition

Amount of advances from Federal Home Loan Bank (FHLBank) maturing in thirty to ninety days. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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X

- Definition

Amount of advances from Federal Home Loan Bank (FHLBank) maturing in three to four years. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- References

No definition available.

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X

- Definition

Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64702-112823

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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