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DERIVATIVE INSTRUMENTS - Schedule of Cross Currency Swap Derivatives (Details) SFr in Thousands | Jun. 30, 2025 USD ($) | Jun. 30, 2025 CHF (SFr) | Feb. 28, 2025 USD ($) | Feb. 28, 2025 CHF (SFr) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 CHF (SFr) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CHF (SFr)
--- | --- | --- | --- | --- | --- | --- | --- | ---
Cash Flow Hedges | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Aggregate Notional Amount | $ 900,000,000 |  |  |  | $ 1,125,000,000 |  |  |
Fair Value Asset (Liability) | 35,051,000 |  |  |  | 48,795,000 |  |  |
Cross Currency Interest Rate Swap One | Cash Flow Hedges | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fair Value Asset (Liability) | $ 0 |  |  |  |  |  |  |
Cross Currency Interest Rate Swap One | Cash Flow Hedges | Designated as Hedging Instrument | Long |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fixed Interest Rate | 3.00% | 3.00% |  |  |  |  |  |
Aggregate Notional Amount | SFr |  | SFr 0 |  |  |  | SFr 328,136 |  |
Fair Value Asset (Liability) |  |  |  |  | (4,367,000) |  |  |
Cross Currency Interest Rate Swap One | Cash Flow Hedges | Designated as Hedging Instrument | Short |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fixed Interest Rate | 3.98% | 3.98% |  |  |  |  |  |
Aggregate Notional Amount | $ 0 |  |  |  | 368,362,000 |  |  |
Cross Currency Interest Rate Swap Two | Cash Flow Hedges | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fair Value Asset (Liability) | $ (60,936,000) |  |  |  |  |  |  |
Cross Currency Interest Rate Swap Two | Cash Flow Hedges | Designated as Hedging Instrument | Long |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fixed Interest Rate | 3.25% | 3.25% |  |  |  |  |  |
Aggregate Notional Amount | SFr |  | SFr 316,637 |  |  |  | SFr 0 |  |
Fair Value Asset (Liability) |  |  |  |  | 0 |  |  |
Cross Currency Interest Rate Swap Two | Cash Flow Hedges | Designated as Hedging Instrument | Short |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fixed Interest Rate | 6.14% | 6.14% |  |  |  |  |  |
Aggregate Notional Amount | $ 355,452,000 |  |  |  | 0 |  |  |
Cross-currency swap |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Aggregate Notional Amount |  |  | $ 368,400,000 | SFr 328,100 |  |  | $ 471,600,000 | SFr 420,100
Cross-currency swap | Cash Flow Hedges | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fair Value Asset (Liability) | $ (60,936,000) |  |  |  | $ (4,367,000) |  |  |

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