Income Taxes - Summary of Components of Deferred Tax Assets and Liabilities (Parenthetical) (Detail) - Medallion Chicago [Member] $ in Millions |
6 Months Ended |
|---|---|
|
Jun. 30, 2026
USD ($)
| |
| Income Tax Rate Reconciliation [Line Items] | |
| Net operating loss carryforwards | $ 11.1 |
| Net operating loss carryforwards expiration period | which expires at various dates between December 31, 2026 and December 31, 2035 |
| Net operating loss carryforwards assets | $ 0.0 |
| December 31, 2026 To December 31, 2035 [Member] | |
| Income Tax Rate Reconciliation [Line Items] | |
| Net operating loss carryforwards | $ 1.7 |