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Securities Held-to-Maturity - Schedule of Securities Held-to-Maturity (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Schedule of Held-to-maturity Securities [Line Items]
Debt instruments: Pass-through GSEs (amortized cost)	$ 245	$ 259
Pass-through GSEs [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt instruments: Pass-through GSEs (amortized cost)	$ 245	$ 259

X

- Definition

Amount, before other-than-temporary impairment (OTTI) accretion, of investment in debt securities measured at amortized cost (held-to-maturity).

+ References

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

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