Commitments and Contingencies - Narrative (Details) $ in Millions	Dec. 31, 2021 USD ($)
Other Commitments [Line Items]
Investment in limited partnerships	$ 52.7
Commitment For Additional Fund	10.0
United Community Bank
Other Commitments [Line Items]
Commitment For Additional Fund	$ 13.7

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.

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