Overview and Summary of Significant Accounting Policies - Accounts Receivable and Allowance for Credit Losses (FY) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Accounts Receivable and Allowance for Credit Losses [Abstract] | |||||
| Allowance for expected credit losses | $ 0 | $ 0 | |||
| Allowance for expected credit losses write-off | 0 | 0 | $ 0 | ||
| Notes Receivable [Abstract] | |||||
| Outstanding notes receivable | 0 | ||||
| Strategic Investments [Abstract] | |||||
| Strategic investments | $ 102,220 | $ 42,087 | $ 117,220 | $ 50,000 | |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|