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Supplemental Cash Flow Information - Narrative (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 01, 2022 | Sep. 30, 2020 | Jun. 30, 2023 | Jun. 30, 2022 | Mar. 31, 2022 | Mar. 31, 2023 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 01, 2021
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash paid for interest |  |  |  | $ 0 | $ 2,000 |  | $ 6,600 | $ 8,700 | $ 6,400 | $ 12,200 |
Exchange of preferred stock |  |  |  |  |  |  |  | 1,100 |  |  |
Deemed dividend for accrual of preferred stock return |  |  |  |  | (9,150) | [1] |  | 37,100 | 2,200 |  |
Issuance of shares |  |  |  |  |  |  |  |  | 207,390 |  |
Liability for guaranteed payment |  |  |  | 4,100 | 3,900 |  | 3,800 | 15,800 | 1,300 |  |
Distributions payable to charitable beneficiaries |  |  |  | 300 | 500 |  | 800 | 1,700 | 1,500 | 700 |
Issuance of noncontrolling interest from reserved cash received in prior period |  |  |  |  | 2,400 |  |  | 2,400 |  |  |
Noncash issuance of noncontrolling interest |  |  |  |  | 300 |  | 8,400 | 300 | 9,200 | 6,000 |
Issuance of preferred stock to satisfy contingent consideration payable |  | $ 20,100 |  |  |  |  |  | 20,100 |  |  |
Promissory note receivable received as consideration in sale of fixed assets |  |  |  |  |  |  |  | $ 1,400 |  |  |
Liability related to funds retained for loan payable |  |  |  |  |  |  | $ 4,100 |  |  |  |
Issuance of stock for consideration in acquisition |  |  |  |  |  |  |  |  | 352,600 |  |
Aggregate amount received |  |  |  |  |  |  |  |  | 192,800 |  |
Liability for contingent issuance |  |  |  |  |  |  |  |  | 20,100 |  |
Liability for put option related to grant of preferred stock |  |  |  |  |  |  |  |  | 3,800 |  |
Deferred financing costs owed on debt due to related parties |  |  |  |  |  |  |  |  | 2,300 |  |
Issuance of preferred stock for contribution of alternative assets |  |  |  |  |  |  |  |  | 200 | 300 |
Promissory note exchange for BCH Preferred Series C Unit Accounts |  |  |  |  |  |  |  |  |  | 65,065 |
Treasury shares recognized, value |  |  |  |  |  |  |  |  |  | 3,444 |
Collateral Swap |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
GWG Holdings common stock |  |  | $ 84,600 |  |  |  |  |  |  | 84,600 |
L Bonds | Collateral Swap |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal amount exchanged |  |  | $ 94,800 |  |  |  |  |  |  | 94,800 |
Class A common stock, par value $0.001 per share |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of shares |  |  |  |  |  |  |  |  | 207,390 |  |
Promissory note exchange for BCH Preferred Series C Unit Accounts |  |  |  |  |  |  |  |  |  | (5,220) |
Exercise of common options |  |  |  |  |  |  |  |  |  | 57,500 |
Post De-SPAC Transaction |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of shares | [2] |  |  | 5,286 |  |  |  |  |  |  |
Settlement of Liability Assumed at De-SPAC |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of shares | [2] |  |  | 2,745 |  |  |  |  |  |  |
BCG Class A Units Received |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Exchange of preferred stock |  |  |  | 793,400 |  |  |  |  |  |  |
Preferred Series B Subclass 2 |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Exchange of preferred stock |  |  |  | 791,900 |  |  |  |  | 312,300 |  |
Preferred Series A Subclass 1 |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Exchange of preferred stock |  |  |  | 193,900 |  |  |  |  |  |  |
Deemed dividend for accrual of preferred stock return |  |  |  | 6,900 |  |  |  |  |  |  |
Preferred Series A Subclass 0 |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Exchange of preferred stock |  |  |  |  |  |  |  |  | $ 251,700 |  |
Issuance of preferred stock in exchange for conversion of preferred stock |  |  |  |  | $ 1,100 |  |  |  |  |  |
Capital account balance |  |  |  |  |  |  |  |  |  |  | $ 251,700
Common Class A | Post De-SPAC Transaction |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of shares |  |  |  | 5,300 |  |  |  |  |  |  |
Common Class A | Settlement of Liability Assumed at De-SPAC |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of shares |  |  |  | 2,700 |  |  |  |  |  |  |
Class S Ordinary |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Exchange of preferred stock |  |  |  | $ 3,900 |  |  |  |  |  |  |
Preferred Series C Subclass 1 |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Capital account balance |  |  |  |  |  |  |  |  |  | $ 75,000 |
[1] | Retroactively adjusted March 31, 2022 and three months ended June 30, 2022 for de-SPAC merger transaction as described in Note 4.
[2] | Retroactively adjusted March 31, 2023 for de-SPAC merger transaction as described in Note 4.

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