Stockholders' Equity - Stock-Based Compensation Expense (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Stockholders' Equity Note [Abstract] | ||||
| Capitalized stock-based compensation | $ 1.7 | $ 1.9 | $ 3.2 | $ 3.6 |