Related Party Transactions - Additional Information (Detail) $ in Millions	12 Months Ended
Dec. 31, 2020 USD ($) Transaction	Dec. 31, 2019 USD ($)
Related Party Transaction [Line Items]
Number of loan transactions \| Transaction	2
Total deposits from related parties	$ 8.3	$ 4.9
Loans [Member]
Related Party Transaction [Line Items]
Maximum loan capacity	0.5
Due from Officers or Stockholders	0.2	$ 1.0
New Loans and Credit Line Advance to Related Parties
Related Party Transaction [Line Items]
New loans and credit line advance to related parties	1.7
Repayments	0.9
Executive Officer \| Loans [Member]
Related Party Transaction [Line Items]
Maximum loan capacity	$ 0.5

For an unclassified balance sheet, amounts due from owners or owners with a beneficial interest of more than 10 percent of the voting interests or officers of the company.

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- Definition

Amount of increase (decrease) in loans and leases receivable due from related parties.

+ References

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The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

+ References

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Deposits From Related Parties

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