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Borrowings - Schedule of Available Unused Lines of Credit (Parenthetical) (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
Federal Home Loan Bank, advances, general debt obligations, disclosures, collateral pledged	$ 58.6	$ 36.1
Collateral exposure with FHLB in form of advances	40.0	20.0
Collateral pledged in excess available to utilize additional credit	$ 18.6	$ 16.1

X

- Definition

Amount of collateral pledged in excess available to utilize additional credit.

+ References

No definition available.

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- Definition

Amount of advances from the Federal Home Loan Bank (FHLB).

+ References

Reference 1: 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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- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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