Commitments and Contingencies (Details) € in Thousands, $ in Thousands	Sep. 30, 2026 USD ($)	Sep. 30, 2026 EUR (€)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)
Financing Commitment Letter to Purchase Investments
Other Commitments [Line Items]
Other commitments	$ 10,505		$ 4,727
Unfunded Debt Securities, Revolving Credit Facilities
Other Commitments [Line Items]
Unfunded commitments principal amount	112,946		133,534
Unfunded Debt Securities, Revolving Credit Facilities, Denominated
Other Commitments [Line Items]
Unfunded commitments principal amount \| €		€ 1,196		€ 1,092
Unfunded Debt Securities, Bridge Facilities
Other Commitments [Line Items]
Unfunded commitments principal amount	0		0
Unfunded Debt Securities, Delayed Draws Or Other Future Funding Commitments
Other Commitments [Line Items]
Unfunded commitments principal amount	31,776		$ 77,602
Unfunded Debt Securities, Delayed Draws Or Other Future Funding Commitments, Denominated
Other Commitments [Line Items]
Unfunded commitments principal amount \| €		€ 6,411		€ 6,411
Unsecured Notes \| October 2028 Notes, October 2031 Tranche B Notes, and October 2031 Tranche C Notes
Other Commitments [Line Items]
Unfunded commitments principal amount	150,000
Unsecured Notes \| October 2028 Notes
Other Commitments [Line Items]
Unfunded commitments principal amount	40,000
Unsecured Notes \| October 2031 Tranche B Notes
Other Commitments [Line Items]
Unfunded commitments principal amount	35,000
Unsecured Notes \| October 2031 Tranche C Notes
Other Commitments [Line Items]
Unfunded commitments principal amount	$ 75,000