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Federal Home Loan Bank Advances - Scheduled Principal Reductions of Federal Home Loan Bank Advances Outstanding (Detail) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Advances From Federal Home Loan Banks [Abstract]
2029	$ 125,000,000	$ 101,500,000
Total	$ 125,000,000	$ 125,000,000

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- References

No definition available.

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- 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)
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Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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