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Summary of Significant Accounting Policies - Other Recent Accounting Pronouncements (Details) - USD ($) $ in Millions | Jul. 01, 2021 | Dec. 31, 2022
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CIG | DBMGi | Series A shares issued and outstanding | Discontinued Operations |  |
Debt Instrument [Line Items] |  |
Proceeds from divestiture of businesses | $ 40.9 |
LIBOR plus 5.75% Line of Credit, due 2024 |  |
Debt Instrument [Line Items] |  |
Outstanding debt |  | $ 20.0

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