Stockholders’ Equity - Noncontrolling Ownership Interest (Details) - shares |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Bakkt Opco Holdings, LLC | ||
| Noncontrolling Interest [Line Items] | ||
| Ownership percentage, Total Opco common units outstanding | 100.00% | 100.00% |
| Bakkt Opco Holdings, LLC | ||
| Noncontrolling Interest [Line Items] | ||
| Opco Common Units (in shares) | 14,151,816 | 13,689,188 |
| Class A Common Stock | Bakkt Opco Holdings, LLC | ||
| Noncontrolling Interest [Line Items] | ||
| Ownership percentage, Opco common units held by Bakkt Holdings, Inc. | 49.00% | 48.00% |
| Class A Common Stock | Bakkt Opco Holdings, LLC | ||
| Noncontrolling Interest [Line Items] | ||
| Opco Common Units (in shares) | 6,974,740 | 6,510,885 |
| Class V Common Stock | Bakkt Opco Holdings, LLC | ||
| Noncontrolling Interest [Line Items] | ||
| Ownership percentage, Opco common units held by noncontrolling interest holders | 51.00% | 52.00% |
| Class V Common Stock | Bakkt Opco Holdings, LLC | ||
| Noncontrolling Interest [Line Items] | ||
| Opco Common Units (in shares) | 7,177,076 | 7,178,303 |