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Risk Management - Summary of Foreign Currency Risk (Details) ₸ in Thousands, ₱ in Thousands, € in Thousands, ₫ in Thousands, ₨ in Thousands, ₨ in Thousands, ৳ in Thousands, ر.س in Thousands, د.إ in Thousands, ج.م. in Thousands, ¥ in Thousands, £ in Thousands, kr in Thousands, SFr in Thousands, Rp in Thousands, RM in Thousands, R in Thousands, P in Thousands, K in Thousands, JD in Thousands, Ar in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, ₩ in Millions | Dec. 31, 2024 KRW (₩) | Dec. 31, 2024 AED (د.إ) | Dec. 31, 2024 AUD ($) | Dec. 31, 2024 BDT (৳) | Dec. 31, 2024 BWP (P) | Dec. 31, 2024 EGP (ج.م.) | Dec. 31, 2024 CAD ($) | Dec. 31, 2024 CHF (SFr) | Dec. 31, 2024 DOP ($) | Dec. 31, 2024 EUR (€) | Dec. 31, 2024 GBP (£) | Dec. 31, 2024 HKD ($) | Dec. 31, 2024 IDR (Rp) | Dec. 31, 2024 INR (₨) | Dec. 31, 2024 JOD (JD) | Dec. 31, 2024 JPY (¥) | Dec. 31, 2024 KZT (₸) | Dec. 31, 2024 MGA (Ar) | Dec. 31, 2024 MMK (K) | Dec. 31, 2024 MYR (RM) | Dec. 31, 2024 PHP (₱) | Dec. 31, 2024 PKR (₨) | Dec. 31, 2024 SAR (ر.س) | Dec. 31, 2024 SEK (kr) | Dec. 31, 2024 SGD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 UYU ($) | Dec. 31, 2024 VND (₫) | Dec. 31, 2024 ZAR (R) | Dec. 31, 2023 KRW (₩) | Dec. 31, 2023 AED (د.إ) | Dec. 31, 2023 AUD ($) | Dec. 31, 2023 BDT (৳) | Dec. 31, 2023 BWP (P) | Dec. 31, 2023 EGP (ج.م.) | Dec. 31, 2023 CAD ($) | Dec. 31, 2023 CHF (SFr) | Dec. 31, 2023 DOP ($) | Dec. 31, 2023 EUR (€) | Dec. 31, 2023 GBP (£) | Dec. 31, 2023 HKD ($) | Dec. 31, 2023 IDR (Rp) | Dec. 31, 2023 INR (₨) | Dec. 31, 2023 JOD (JD) | Dec. 31, 2023 JPY (¥) | Dec. 31, 2023 KZT (₸) | Dec. 31, 2023 MGA (Ar) | Dec. 31, 2023 MMK (K) | Dec. 31, 2023 MYR (RM) | Dec. 31, 2023 PHP (₱) | Dec. 31, 2023 PKR (₨) | Dec. 31, 2023 SAR (ر.س) | Dec. 31, 2023 SEK (kr) | Dec. 31, 2023 SGD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 UYU ($) | Dec. 31, 2023 VND (₫) | Dec. 31, 2023 ZAR (R)
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Disclosure Of Foreign Currency Risk [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets | ₩ 246,807,795 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ₩ 239,714,965 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liabilities | ₩ 205,444,962 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ₩ 202,450,215 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Currency risk |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Foreign Currency Risk [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets |  | د.إ 33,465 | $ 26 | ৳ 2,252 | P 768 | ج.م. 203,044 | $ 2 | SFr 0 | $ 7,772 | € 20,433 | £ 139 | $ 0 | Rp 37,830,902 | ₨ 1,037,437 | JD 902 | ¥ 23,798 | ₸ 1,510 | Ar 5,452,745 | K 188,021 | RM 2,805 | ₱ 19,401 | ₨ 68,734,242 | ر.س 1,087 | kr 0 | $ 291 | $ 1,651,765 | $ 99,189 | ₫ 733,338 | R 79,897 |  | د.إ 24,441 | $ 4,310 | ৳ 2,260 | P 777 | ج.م. 1,665 | $ 0 | SFr 0 | $ 0 | € 12,259 | £ 75 | $ 0 | Rp 25,567,281 | ₨ 1,663,705 | JD 569 | ¥ 921,120 | ₸ 1,510 | Ar 3,545,076 | K 199,518 | RM 2,805 | ₱ 98,154 | ₨ 75,206,354 | ر.س 937 | kr 0 | $ 279 | $ 1,701,494 | $ 120,768 | ₫ 848,242 | R 87,780
Liabilities |  | د.إ 8,795,000 | $ 64 | ৳ 0 | P 0 | ج.م. 0 | $ 61 | SFr 100,686 | $ 0 | € 47,829 | £ 4 | $ 5,093,862 | Rp 4,027,099 | ₨ 225,042 | JD 49,128 | ¥ 7,483,199 | ₸ 0 | Ar 248,175 | K 0 | RM 0 | ₱ 0 | ₨ 10,418 | ر.س 0 | kr 449,302 | $ 110 | $ 15,364,685 | $ 1,141 | ₫ 587,003 | R 0 |  | د.إ 18,143,000 | $ 299,795 | ৳ 0 | P 0 | ج.م. 1,941 | $ 0 | SFr 499,930 | $ 0 | € 81,744 | £ 0 | $ 5,079,189 | Rp 2,118,580 | ₨ 387,947 | JD 68,448 | ¥ 8,692,604 | ₸ 0 | Ar 495,288 | K 0 | RM 0 | ₱ 6,750 | ₨ 55,531 | ر.س 0 | kr 452,309 | $ 2,191 | $ 14,458,985 | $ 2,028 | ₫ 0 | R 0

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