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Borrowings - Summary of Borrowings (Parenthetical) (Detail)
 12 Months Ended
Dec. 31, 2023
The 1561st Won Denominated Unsecured Bond March Twenty Five Twenty Twenty Five [member]  
Disclosure of detailed information about borrowings [line items]  
CMS rate 2.993%
The 1562nd Won Denominated Unsecured Bond March Twenty Five Twenty Thirty Two [member]  
Disclosure of detailed information about borrowings [line items]  
CMS rate 2.99%
Fr Notes November One Twenty Twenty Four [member]  
Disclosure of detailed information about borrowings [line items]  
Borrowings interest rate basis spread on SOFR rate 5.38%
Borrowings, interest rate basis SOFR+1.210
Borrowings, adjustment to interest rate basis 1.21%