FEDERAL HOME LOAN BANK ADVANCES - SHORT-TERM FHLB ADVANCES (Details) - Federal Home Loan Bank overnight advances - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
FHLB advances
Average outstanding balance during the period	$ 357,685	$ 229,185	$ 340,502	$ 200,421
Average interest rate during the period (as percent)	2.34%	2.02%	2.45%	1.84%
Maximum outstanding at any month end during the period	$ 785,000	$ 395,000	$ 785,000	$ 560,000

The maximum balance outstanding at any month end during the period as of the Balance Sheet date.

No definition available.

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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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- Definition

The calculated average balance outstanding for the year for all Federal Home Loan Bank advances as of the Balance Sheet date.

+ 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 210.9-03.13(3)(a))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.

+ References

+ Details

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