Debt Instrument, Collateral, Number Of Loans

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- Definition

Debt Instrument, Prepayment Period

+ References

No definition available.

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- Definition

Debt Instrument, Term, Extension Option

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No definition available.

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- Definition

Interest Payable And Line Of Credit Facility, Commitment Fee Payable

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- Definition

Investment Owned, Face Amount, Increase (Decrease)

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No definition available.

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- Definition

Investment Owned, Percentage

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- Definition

Investment Owned, Purchase Price, Percent Of Aggregate Outstanding Balance, Minimum

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- Definition

Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

Amount of assets pledged to secure a debt instrument.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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- Definition

Percentage of total assets less all liabilities and indebtedness not represented by senior security, to senior security representing indebtedness.

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-Name Investment Company Act of 1940
-Section 61
-Paragraph a
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- Definition

Nominal or face amount on the investment owned.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

Amount, after the effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes purchases of participations in pools of securities that are subject to a resale agreement, assets not subject to a master netting arrangement and not elected to be offset.

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BORROWINGS - Narrative (Details)								3 Months Ended
BORROWINGS - Narrative (Details)	Dec. 01, 2025	Oct. 07, 2025 USD ($)	Mar. 27, 2025 USD ($)	Mar. 12, 2025 USD ($)	Oct. 18, 2024 USD ($)	Jul. 02, 2024 USD ($)	Aug. 30, 2018 USD ($)	Mar. 31, 2026 USD ($) loan	Dec. 31, 2025 USD ($)	Jul. 10, 2025 USD ($)	Mar. 31, 2025	Mar. 11, 2025 USD ($)	Nov. 20, 2023 USD ($)	Dec. 11, 2020 USD ($)	Dec. 30, 2019 USD ($)	Jun. 26, 2015 USD ($)
Line of Credit Facility [Line Items]
Asset coverage, end of period								180.02%	175.60%		196.28%
Interest and credit facility fees payable								$ 9,985,000	$ 19,092,000
Investment purchase price, percent of aggregate outstanding balance, minimum							5.00%
2015-1 Issuer Preferred Interests
Line of Credit Facility [Line Items]
Investment owned, percentage received																100.00%
Investment owned, nominal value						$ 118,054,000	$ 104,525,000									$ 125,900,000
Nominal value increase (decrease)						13,500,000	$ (21,375,000)
Senior Notes
Line of Credit Facility [Line Items]
Interest and credit facility fees payable								$ 4,537,000	$ 12,847,000
Weighted average interest rate								6.44%	6.84%
Securitizations
Line of Credit Facility [Line Items]
Interest and credit facility fees payable								$ 4,501,000	$ 4,810,000
Weighted average interest rate								5.61%	5.84%
Credit Facility \| Line of Credit \| NYFRB rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				0.50%
Credit Facility \| Line of Credit \| Adjusted SOFR rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				1.00%
Credit Facility \| Line of Credit \| Benchmark rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				1.875%
Credit Facility \| Line of Credit \| Alternate Base Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				0.875%
2019 Notes \| Senior Notes
Line of Credit Facility [Line Items]
Face amount															$ 115,000,000.0
Stated interest rate															4.75%
2024 Notes \| Senior Notes
Line of Credit Facility [Line Items]
Face amount														$ 75,000,000.0
Stated interest rate														4.50%
2028 Senior Unsecured Notes [Member] \| Senior Notes
Line of Credit Facility [Line Items]
Face amount													$ 85,000,000.0
Stated interest rate													8.20%
Redemption price	100.00%
2030 Notes \| Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate					0.45%
Face amount					$ 300,000,000.0
Stated interest rate					6.75%
Redemption price					100.00%
2031 Notes \| Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		0.35%
Face amount		$ 300,000,000.0
Stated interest rate		5.75%
Redemption price		100.00%
2015-1R Notes \| Securitizations
Line of Credit Facility [Line Items]
Face amount																$ 273,000,000
2015-1N Debt \| Securitizations
Line of Credit Facility [Line Items]
Face amount						410,000,000
Collateral, number of loans \| loan								66
Collateral amount, debt instrument								$ 471,155,000
Securities purchased, unsettled								1,396,000
Collateral amount, cash								$ 23,190,000
2015-1N Debt, Class C-R Notes \| Securitizations
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate								3.75%
Face amount						$ 30,000,000		$ 30,000,000
Securitizations \| Credit Facility \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity				$ 935,000,000				960,000,000	$ 960,000,000	$ 960,000,000
Maximum borrowing capacity, accordion feature option				$ 1,402,500,000								$ 1,185,000,000
Unused capacity commitment fee				0.375%
Prepayment period										1 year
Interest and credit facility fees payable								$ 947,000	$ 1,435,000
Weighted average interest rate								4.98%	5.28%
Securitizations \| Credit Facility, maturing March 2030 \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity										$ 825,000,000
Securitizations \| Credit facility, terminating May 2026 \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity										$ 135,000,000
Securitizations \| CSL III SPV Credit Facility \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 250,000,000
Unused capacity commitment fee			0.30%
Debt term, extension option			1 year
Securitizations \| CSL III SPV Credit Facility \| Line of Credit \| Federal Funds Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			0.50%
Securitizations \| CSL III SPV Credit Facility \| Line of Credit \| SOFR
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			2.85%
Swingline loan \| Credit Facility \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity				$ 75,000,000								50,000,000
Letter of credit \| Credit Facility \| Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity				$ 30,000,000								$ 20,000,000