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ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Additional Information (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Federal Home Loan Bank, Advances [Line Items]
Fixed-rate advances from FHLB	$ 500,000	$ 675,000
Short-term Debt [Member]
Federal Home Loan Bank, Advances [Line Items]
Fixed-rate advances from FHLB	0	475,000
Long-term Debt [Member]
Federal Home Loan Bank, Advances [Line Items]
Fixed-rate advances from FHLB	500,000	$ 200,000
Federal Home Loan Bank Advances [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank Advances	$ 300,000
Fixed-rate advances from FHLB, interest rate	4.59%

X

- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

X

- Definition

Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480876/942-470-45-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480848/942-470-50-3

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X

- Definition

Par amount of advances made and reported by Federal Home Loan Bank (FHLBank) with fixed interest rate.

+ References

No definition available.

+ Details

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X

- 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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