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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, ฿ 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, Kč in Thousands, K in Thousands, JD in Thousands, Ar in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, ₩ in Millions | Dec. 31, 2022 KRW (₩) | Dec. 31, 2022 AED (د.إ) | Dec. 31, 2022 AUD ($) | Dec. 31, 2022 BDT (৳) | Dec. 31, 2022 BWP (P) | Dec. 31, 2022 EGP (ج.م.) | Dec. 31, 2022 CAD ($) | Dec. 31, 2022 CHF (SFr) | Dec. 31, 2022 CZK (Kč) | Dec. 31, 2022 EUR (€) | Dec. 31, 2022 GBP (£) | Dec. 31, 2022 HKD ($) | Dec. 31, 2022 IDR (Rp) | Dec. 31, 2022 INR (₨) | Dec. 31, 2022 JOD (JD) | Dec. 31, 2022 JPY (¥) | Dec. 31, 2022 KZT (₸) | Dec. 31, 2022 MGA (Ar) | Dec. 31, 2022 MMK (K) | Dec. 31, 2022 MYR (RM) | Dec. 31, 2022 PHP (₱) | Dec. 31, 2022 PKR (₨) | Dec. 31, 2022 RUB (₽) | Dec. 31, 2022 SAR (ر.س) | Dec. 31, 2022 SEK (kr) | Dec. 31, 2022 THB (฿) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 UYU ($) | Dec. 31, 2022 VND (₫) | Dec. 31, 2022 ZAR (R) | Dec. 31, 2021 KRW (₩) | Dec. 31, 2021 AED (د.إ) | Dec. 31, 2021 AUD ($) | Dec. 31, 2021 BDT (৳) | Dec. 31, 2021 BWP (P) | Dec. 31, 2021 EGP (ج.م.) | Dec. 31, 2021 CAD ($) | Dec. 31, 2021 CHF (SFr) | Dec. 31, 2021 CZK (Kč) | Dec. 31, 2021 EUR (€) | Dec. 31, 2021 GBP (£) | Dec. 31, 2021 HKD ($) | Dec. 31, 2021 IDR (Rp) | Dec. 31, 2021 INR (₨) | Dec. 31, 2021 JOD (JD) | Dec. 31, 2021 JPY (¥) | Dec. 31, 2021 KZT (₸) | Dec. 31, 2021 MGA (Ar) | Dec. 31, 2021 MMK (K) | Dec. 31, 2021 MYR (RM) | Dec. 31, 2021 PHP (₱) | Dec. 31, 2021 PKR (₨) | Dec. 31, 2021 RUB (₽) | Dec. 31, 2021 SAR (ر.س) | Dec. 31, 2021 SEK (kr) | Dec. 31, 2021 THB (฿) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 UYU ($) | Dec. 31, 2021 VND (₫) | Dec. 31, 2021 ZAR (R)
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Disclosure Of Foreign Currency Risk [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets | ₩ 234,804,994 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ₩ 211,123,727 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liabilities | ₩ 192,804,738 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ₩ 145,797,021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Currency risk |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure Of Foreign Currency Risk [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets |  | د.إ 5,610 | $ 4,448 | ৳ 7,514 | P 824 | ج.م. 0 | $ 89 | SFr 0 | Kč 0 | € 1,976 | £ 0 | $ 0 | Rp 598,697 | ₨ 1,592,380 | JD 1,146 | ¥ 568,263 | ₸ 1,510 | Ar 2,856,045 | K 199,518 | RM 38,177 | ₱ 68,592 | ₨ 533,816 | ₽ 0 | ر.س 1,713 | kr 0 | ฿ 0 | $ 1,484,614 | $ 128,674 | ₫ 1,184,670 | R 43,461 |  | د.إ 6,481 | $ 3,733 | ৳ 50,145 | P 939 | ج.م. 0 | $ 582 | SFr 0 | Kč 0 | € 1,809 | £ 0 | $ 0 | Rp 768,731 | ₨ 1,715,900 | JD 1,852 | ¥ 697,747 | ₸ 1,510 | Ar 4,262,857 | K 210,335 | RM 1,964 | ₱ 164,167 | ₨ 200,844 | ₽ 0 | ر.س 2,615 | kr 0 | ฿ 0 | $ 1,381,441 | $ 90,930 | ₫ 952,135 | R 31,971
Liabilities |  | د.إ 25,597 | $ 299,663 | ৳ 0 | P 0 | ج.م. 1,162 | $ 595 | SFr 500,158 | Kč 153 | € 41,073 | £ 31 | $ 4,014,446 | Rp 1,323,840 | ₨ 312,978 | JD 14 | ¥ 1,719,846 | ₸ 0 | Ar 347,403 | K 0 | RM 0 | ₱ 7,493 | ₨ 219,341 | ₽ 2,881 | ر.س 9,710 | kr 449,211 | ฿ 389 | $ 13,599,643 | $ 3,106 | ₫ 4,495 | R 0 |  | د.إ 31,637 | $ 926,960 | ৳ 577 | P 0 | ج.م. 595 | $ 2,266 | SFr 500,230 | Kč 386 | € 42,981 | £ 0 | $ 1,651,665 | Rp 995,510 | ₨ 342,833 | JD 118 | ¥ 153,383 | ₸ 0 | Ar 475,807 | K 0 | RM 0 | ₱ 104,245 | ₨ 74,423 | ₽ 0 | ر.س 0 | kr 449,167 | ฿ 0 | $ 12,023,085 | $ 3,097 | ₫ 262,372 | R 0

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