v3.25.4
Related Party Transactions - Summary of Related Party Carrying Value of Investments In Advances (Parenthetical) (Detail)
 12 Months Ended
Dec. 31, 2025
SST VI  
Related Party Transaction [Line Items]  
Preferred stock redemption description Distributions are payable at a rate of: (a) 6% per annum from the date of issuance until the second anniversary after the date of issuance; (b) 7% per annum commencing the day following the second anniversary after the date of issuance until the third anniversary after the date of issuance; (c) 8% per annum commencing the day following the third anniversary after the date of issuance until the fourth anniversary after the date of issuance; and (d) 9% per annum thereafter.