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De-SPAC Merger Transaction - Other Information (Details) - USD ($) |  | 2 Months Ended | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 26, 2022 | Aug. 26, 2022 | Sep. 30, 2022 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Preferred dividends paid |  | $ 4,400,000 |  | $ 4,380,000 |  |  |  |
Common stock par value ( in dollars per share) |  |  |  |  |  | $ 0.01 | $ 0.01 |
Goodwill |  |  | $ 97,053,000 | 97,053,000 |  | $ 97,053,000 | $ 97,053,000 | $ 14,616,000
Intangible assets | $ 0 | 0 | 120,949,000 | 120,949,000 |  | 125,914,000 | $ 132,339,000 |
Transaction cost incurred capitalized | 24,200,000 | $ 24,200,000 |  |  |  |  |  |
Transaction costs related to the issuance of shares | 24,200,000 |  |  |  |  |  |  |
Deferred transaction cost |  |  | $ 0 | 0 |  | $ 0 |  |
Payment of preferred equity issuance costs |  |  |  | 1,250,000 |  |  |  |
Net gain (loss) on extinguishment |  |  |  | $ (2,870,000) |  |  |  |
Common Stock |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Issuance of common shares related to conversion of debt to equity (in units) |  |  | 2,500,000 |  | 2,500,000 |  |  |
Term Loan facility |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Proceeds from line of credit | 175,000,000.0 |  |  |  |  |  |  |
Riverview |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Number of shares issued, value | $ 49,800,000 |  |  |  |  |  |  |
Number of shares issued | 12,868,151 |  |  |  |  |  |  |
Number of shares issued for each unit | 1 | 1 |  |  |  |  |  |
Transaction cost incurred capitalized | $ 17,100,000 | $ 17,100,000 |  |  |  |  |  |
Transaction cost incurred expenses | 17,100,000 |  |  |  |  |  |  |
Payment of preferred equity issuance costs | 1,300,000 |  |  |  |  |  |  |
Net gain (loss) on extinguishment | (2,900,000) |  |  |  |  |  |  |
Riverview | Common Stock |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Number of shares issued, value | $ 34,855,535 |  |  |  |  |  |  |
Number of shares issued for each unit | 0.1049203474320 | 0.1049203474320 |  |  |  |  |  |
Common stock par value ( in dollars per share) | $ 0.01 | $ 0.01 |  |  |  |  |  |
Issuance of common shares related to conversion of debt to equity (in units) | 2,220,305 |  |  |  |  |  |  |
Riverview | Common Stock PIPE Commitments |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Number of shares issued | 1,910,000 |  |  |  |  |  |  |
Series Redeemable Common Equivalent Preferred Units | Riverview |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Number of shares issued for each unit | 0.1086138208640 | 0.1086138208640 |  |  |  |  |  |
Series B Redeemable Common Equivalent Preferred Units | Riverview |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Number of shares issued for each unit | 0.1049203474320 | 0.1049203474320 |  |  |  |  |  |
Series A Redeemable Common Equivalent Preferred Shares | Riverview |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Number of shares issued for each unit | 0.1086138208740 | 0.1086138208740 |  |  |  |  |  |
Number of new stock classified as temporary equity issued | 23,587,952 |  |  |  |  |  |  |
Series B Redeemable Common Equivalent Preferred Shares | Riverview |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Number of shares issued for each unit | 0.0919280171940 | 0.0919280171940 |  |  |  |  |  |
Class A share | Riverview |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Number of shares issued for each unit | 1 | 1 |  |  |  |  |  |
New Company | Riverview | Common Stock PIPE Commitments |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Number of shares issued | 20,590,000 |  |  |  |  |  |  |
Amount received | $ 205,900,000 | $ 205,900,000 |  |  |  |  |  |
New Company | Riverview | Wells Fargo | Senior secured first lien revolving credit facility |  |  |  |  |  |  |  |
De-SPAC Merger Transaction |  |  |  |  |  |  |  |
Face amount | $ 175,000,000.0 | $ 175,000,000.0 |  |  |  |  |  |

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