Consolidated Schedule of Investments - Derivatives (Parenthetical) $ in Thousands, € in Millions	9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 SEK (kr)	Sep. 30, 2022 DKK (kr)	Sep. 30, 2022 NOK (kr)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)
Open Forward Foreign Currency Contract [Line Items]
Currency purchased	$ 5,519,771
Currency sold	66,656
Notional Amount	50,175,620				$ 30,698,023
Fair Market Value	(48,959,003)				(30,795,693)
Open Forward Foreign Currency Contract, Identifier [Axis]: Goldman Sachs Bank USA, Euro, October 5, 2022 2
Open Forward Foreign Currency Contract [Line Items]
Currency purchased	10,720
Currency sold | kr		kr 109,749
Unrealized Appreciation (Depreciation)	859
Open Forward Foreign Currency Contract, Identifier [Axis]: Goldman Sachs Bank USA, July 22, 2022
Open Forward Foreign Currency Contract [Line Items]
Currency purchased					423,000
Currency sold | €						€ 374
Unrealized Appreciation (Depreciation)					$ 1,505
Open Forward Foreign Currency Contract, Identifier [Axis]: Goldman Sachs Bank USA, Swedish Krona, December 14, 2022 2
Open Forward Foreign Currency Contract [Line Items]
Currency purchased	73,136
Currency sold | kr			kr 560,750
Unrealized Appreciation (Depreciation)	(1,031)
Open Forward Foreign Currency Contract, Identifier [Axis]: Goldman Sachs Bank USA, Us Dollar, December 14, 2022 1
Open Forward Foreign Currency Contract [Line Items]
Currency purchased	55,936
Currency sold | kr				kr 599,094
Unrealized Appreciation (Depreciation)	783
Open Forward Foreign Currency Contract, Identifier [Axis]: Goldman Sachs Bank USA, Us Dollar, December 14, 2022 2
Open Forward Foreign Currency Contract [Line Items]
Currency purchased	21,634
Currency sold | kr		kr 243,186
Unrealized Appreciation (Depreciation)	(305)
Interest rate swaps
Open Forward Foreign Currency Contract [Line Items]
Currency purchased	5,425,000
Interest rate swaps | Derivative
Open Forward Foreign Currency Contract [Line Items]
Fair Market Value	(263,674)
Upfront Payments / Receipts	8,753
Unrealized Appreciation (Depreciation)	$ (258,777)
Interest Rate Swap 1 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	2.56%	2.56%	2.56%	2.56%
Notional Amount	$ 435,000
Fair Market Value	(19,039)
Upfront Payments / Receipts	1,796
Unrealized Appreciation (Depreciation)	$ (18,892)
Interest Rate Swap 1 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	0.93%	0.93%	0.93%	0.93%
Interest Rate Swap 2 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	1.75%	1.75%	1.75%	1.75%
Notional Amount	$ 365,000
Fair Market Value	(17,659)
Upfront Payments / Receipts	(545)
Unrealized Appreciation (Depreciation)	$ (17,618)
Interest Rate Swap 2 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	0.08%	0.08%	0.08%	0.08%
Interest Rate Swap 3 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	2.35%	2.35%	2.35%	2.35%
Notional Amount	$ 500,000
Fair Market Value	(25,796)
Upfront Payments / Receipts	1,822
Unrealized Appreciation (Depreciation)	$ (25,657)
Interest Rate Swap 3 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	0.66%	0.66%	0.66%	0.66%
Interest Rate Swap 4 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	2.70%	2.70%	2.70%	2.70%
Notional Amount	$ 500,000
Fair Market Value	(27,244)
Upfront Payments / Receipts	923
Unrealized Appreciation (Depreciation)	$ (26,993)
Interest Rate Swap 4 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	0.99%	0.99%	0.99%	0.99%
Interest Rate Swap 5 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	2.63%	2.63%	2.63%	2.63%
Notional Amount	$ 625,000
Fair Market Value	(37,873)
Upfront Payments / Receipts	2,387
Unrealized Appreciation (Depreciation)	$ (37,703)
Interest Rate Swap 5 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	0.26%	0.26%	0.26%	0.26%
Interest Rate Swap 6 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	2.63%	2.63%	2.63%	2.63%
Notional Amount	$ 625,000
Fair Market Value	(37,548)
Upfront Payments / Receipts	2,370
Unrealized Appreciation (Depreciation)	$ (37,730)
Interest Rate Swap 6 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	0.26%	0.26%	0.26%	0.26%
Interest Rate Swap 7 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	4.70%	4.70%	4.70%	4.70%
Notional Amount	$ 400,000
Fair Market Value	(18,081)
Upfront Payments / Receipts	0
Unrealized Appreciation (Depreciation)	$ (17,935)
Interest Rate Swap 7 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	2.43%	2.43%	2.43%	2.43%
Interest Rate Swap 8 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	4.70%	4.70%	4.70%	4.70%
Notional Amount	$ 500,000
Fair Market Value	(22,625)
Upfront Payments / Receipts	0
Unrealized Appreciation (Depreciation)	$ (22,413)
Interest Rate Swap 8 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	2.43%	2.43%	2.43%	2.43%
Interest Rate Swap 9 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	4.87%	4.87%	4.87%	4.87%
Notional Amount	$ 250,000
Fair Market Value	(28,089)
Upfront Payments / Receipts	0
Unrealized Appreciation (Depreciation)	$ (28,037)
Interest Rate Swap 9 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	2.78%	2.78%	2.78%	2.78%
Interest Rate Swap 10 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	5.61%	5.61%	5.61%	5.61%
Notional Amount	$ 625,000
Fair Market Value	(29,160)
Upfront Payments / Receipts	0
Unrealized Appreciation (Depreciation)	$ (25,242)
Interest Rate Swap 10 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	3.00%	3.00%	3.00%	3.00%
Interest Rate Swap 11 | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company receives	7.05%	7.05%	7.05%	7.05%
Notional Amount	$ 600,000
Fair Market Value	(559)
Upfront Payments / Receipts	0
Unrealized Appreciation (Depreciation)	$ (559)
Interest Rate Swap 11 | SOFR | Derivative
Open Forward Foreign Currency Contract [Line Items]
Company pays	2.93%	2.93%	2.93%	2.93%