Investment Valuations and Fair Value Measurements - Reconciliation of Beginning and Ending Balances for Total Investments (Details) - Level 3 - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
| Investment Valuations And Fair Value Measurements [Line Items] |
|
|
| Beginning Balance |
$ 942,127
|
$ 742,916
|
| Purchases, including payments received in-kind |
677,205
|
465,245
|
| Sales and paydowns of investments |
(408,231)
|
(259,791)
|
| Amortization of premium and accretion of discount, net |
10,049
|
8,531
|
| Net realized (losses) gains |
$ 449
|
$ 115
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Realized Investment Gains (Losses)
|
Realized Investment Gains (Losses)
|
| Net change in unrealized appreciation/(depreciation) |
$ (11,811)
|
$ (14,889)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] |
Non-controlled/non-affiliated investments
|
Non-controlled/non-affiliated investments
|
| Ending Balance |
$ 1,209,788
|
$ 942,127
|
| Change in net unrealized appreciation/(depreciation) in investments held |
$ (10,883)
|
$ (11,278)
|
| Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Gain (Loss), Investment and Derivative, Operating, before Tax
|
Gain (Loss), Investment and Derivative, Operating, before Tax
|
| Debt |
|
|
| Investment Valuations And Fair Value Measurements [Line Items] |
|
|
| Beginning Balance |
$ 941,903
|
$ 742,916
|
| Purchases, including payments received in-kind |
657,740
|
465,204
|
| Sales and paydowns of investments |
(406,442)
|
(259,791)
|
| Amortization of premium and accretion of discount, net |
10,049
|
8,531
|
| Net realized (losses) gains |
$ (35)
|
$ 115
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Realized Investment Gains (Losses)
|
Realized Investment Gains (Losses)
|
| Net change in unrealized appreciation/(depreciation) |
$ (33,302)
|
$ (15,072)
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] |
Non-controlled/non-affiliated investments
|
Non-controlled/non-affiliated investments
|
| Ending Balance |
$ 1,169,913
|
$ 941,903
|
| Change in net unrealized appreciation/(depreciation) in investments held |
$ (32,557)
|
$ (11,461)
|
| Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Gain (Loss), Investment and Derivative, Operating, before Tax
|
Gain (Loss), Investment and Derivative, Operating, before Tax
|
| Equity |
|
|
| Investment Valuations And Fair Value Measurements [Line Items] |
|
|
| Beginning Balance |
$ 224
|
$ 0
|
| Purchases, including payments received in-kind |
19,465
|
41
|
| Sales and paydowns of investments |
(1,789)
|
0
|
| Amortization of premium and accretion of discount, net |
0
|
0
|
| Net realized (losses) gains |
$ 484
|
$ 0
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Realized Investment Gains (Losses)
|
Realized Investment Gains (Losses)
|
| Net change in unrealized appreciation/(depreciation) |
$ 21,491
|
$ 183
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] |
Non-controlled/non-affiliated investments
|
Non-controlled/non-affiliated investments
|
| Ending Balance |
$ 39,875
|
$ 224
|
| Change in net unrealized appreciation/(depreciation) in investments held |
$ 21,674
|
$ 183
|
| Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Gain (Loss), Investment and Derivative, Operating, before Tax
|
Gain (Loss), Investment and Derivative, Operating, before Tax
|