Consolidated Statements of Assets and Liabilities (Parenthetical) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Amortized Cost	$ 12,823,971	$ 13,046,132	[1],[2],[3],[4],[5]
Restricted cash	92,975	96,420
Foreign cash, cost	1,675	809
Unamortized debt issuance costs	$ 85,969	$ 95,647
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares, issued (in shares)	389,732,875	392,476,687
Common stock, shares outstanding (in shares)	389,732,875	392,476,687
Investment income from non-controlled, non-affiliated investments:
Amortized Cost	$ 11,584,680	$ 12,133,062
Non-controlled, affiliated investments
Amortized Cost	19,680	6,224
Investment income from controlled, affiliated investments:
Amortized Cost	$ 1,219,611	$ 906,846

[1] As of December 31, 2022, the net estimated unrealized loss for U.S. federal income tax purposes was $126.2 million based on a tax cost basis of $13.1 billion. As of December 31, 2022, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $382.2 million and the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $256.0 million.

[2] Certain portfolio company investments are subject to contractual restrictions on sales. Refer to footnote 28 for additional information on our restricted securities.

[3] The amortized cost represents the original cost adjusted for the amortization or accretion of premium or discount , as applicable, on debt investments using the effective interest method.

[4] Unless otherwise indicated, all investments are considered Level 3 investments.

[5] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Revolving Credit Facility, SPV Asset Facilities and CLOs. See Note 6 “Debt”.