| Mar 31,
2018 | Mar 31,
2019 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 |
|---|
| Loss before tax | 2,898 | -31,135 | -312 | -619 | 5,899 | 17,205 | 9,772 |
|---|
| Profit before tax from discontinued operations | -1,540 | -2,786 | 5,169 | 5,931 | -2,675 | -18 | -329 |
|---|
| Depreciation and amortization | 2,456 | 1,535 | 2,767 | 4,013 | 2,791 | 4,532 | 5,369 |
|---|
| Impairment losses (reversal of impairment losses) | 220 | 368 | 3 | 514 | 699 | 901 | 68 |
|---|
| Impairment losses on other financial assets | 1,438 | 18,731 | -55 | -348 | 424 | 590 | 322 |
|---|
| Interest and dividend income | -53,986 | -57,362 | -39,807 | -52,112 | -38,752 | -69,108 | -89,923 |
|---|
| Interest expenses | 16,833 | 19,332 | 13,767 | 17,765 | 14,201 | 24,729 | 45,675 |
|---|
| Share of loss (profit) of investments accounted for using equity method | - | - | - | -2,279 | -347 | -544 | -615 |
|---|
| Gain on bargain purchase | - | - | -3,355 | - | - | -9,868 | -10,113 |
|---|
| Other (profit) loss | -371 | -4,310 | 29 | 255 | 2,629 | -2,699 | -3,553 |
|---|
| Decrease (increase) in trade and other receivables | -11,644 | 497 | 840 | 20,618 | -1,227 | -1,268 | -2,638 |
|---|
| Increase (decrease) in trade and other payables | 353 | 4,853 | 605 | -40 | -261 | -721 | -654 |
|---|
| Decrease (increase) in loans for banking business | -42,789 | -5,395 | -17,559 | -48,361 | -77,316 | -89,032 | 471 |
|---|
| Increase (decrease) in deposits for banking business | 49,354 | 39,554 | -13,724 | 25,583 | 89,804 | 136,491 | -6,432 |
|---|
| Decrease (increase) in assets related to securities business | - | - | - | - | - | 866 | -13 |
|---|
| Increase (decrease) in liabilities related to securities business | - | - | - | - | - | -1,540 | -742 |
|---|
| Decrease (increase) in inventories | - | - | - | - | -1,315 | -2,761 | -2,720 |
|---|
| Decrease (increase) in other financial assets | - | - | - | - | - | -3,823 | -24,433 |
|---|
| Increase (decrease) in other financial liabilities | - | - | 1,071 | 1,973 | 994 | 394 | -5,355 |
|---|
| Decrease (increase) in other assets | - | - | - | - | - | 156 | 5,593 |
|---|
| Decrease (increase) in restricted deposits | - | - | - | 5,611 | -3,320 | -741 | -13,724 |
|---|
| Interest and dividends received | 56,177 | 59,293 | 41,206 | 53,180 | 39,969 | 68,077 | 92,601 |
|---|
| Interest paid | -16,595 | -18,818 | -15,049 | -18,094 | -13,431 | -21,857 | -42,768 |
|---|
| Income taxes paid | -2,231 | -2,332 | -2,574 | -2,333 | -1,685 | -2,752 | -2,647 |
|---|
| Income taxes refund | 649 | 880 | 633 | 464 | 141 | 485 | 475 |
|---|
| Other | -257 | -4,073 | 11,799 | 3,059 | -1,813 | 2,037 | -762 |
|---|
| Net cash provided by (used in) operating activities | 4,581 | 18,831 | -20,829 | 6,813 | 15,408 | 49,518 | -47,079 |
|---|
| Decrease (increase) in time deposits | 188 | 198 | -13 | 878 | 698 | -2,523 | -4,004 |
|---|
| Purchase of property, plant and equipment, and investment property | -1,474 | -1,941 | -1,636 | -514 | -2,629 | -794 | -815 |
|---|
| Proceeds from sale of property, plant and equipment, and investment property | 270 | 48 | 737 | 303 | 588 | 671 | 6,428 |
|---|
| Purchase of intangible assets | -794 | -1,983 | -2,312 | -634 | -301 | -519 | -347 |
|---|
| Purchase of investment securities for banking business | -106,170 | -105,252 | -74,266 | -142,954 | -30,051 | -54,501 | -177,163 |
|---|
| Proceeds from sale of investment securities for banking business | 97,229 | 95,565 | 67,529 | 142,062 | 15,140 | 17,330 | 117,797 |
|---|
| Proceeds from redemption of investment securities for banking business | 984 | 5,869 | 1,331 | 10,355 | 2,403 | 6,836 | 60,873 |
|---|
| Purchase of investment securities | - | - | -83 | -1,194 | -5,692 | -187 | -10 |
|---|
| Proceeds from sale of investment securities | - | - | - | 14 | 2,467 | 6,754 | 835 |
|---|
| Payments for acquisition of subsidiaries | - | - | -752 | -17 | - | -1,762 | -333 |
|---|
| Proceeds from obtaining control of subsidiaries through share exchanges | - | - | - | - | - | 20,519 | - |
|---|
| Proceeds from loss of control resulting from sale of shares of subsidiaries | - | - | - | - | 6,490 | - | 280 |
|---|
| Payments for loans receivable | - | - | - | - | - | - | -5,000 |
|---|
| Other | -263 | -957 | 127 | -676 | 884 | -944 | 958 |
|---|
| Net cash provided by (used in) investing activities | -7,603 | -15,190 | 15,431 | -8,422 | -10,002 | -9,121 | -501 |
|---|
| Net increase (decrease) in short-term borrowings | 4,112 | -4,929 | -770 | -2,555 | -3,502 | -395 | -1,506 |
|---|
| Repayments of long-term borrowings | -18,938 | -26,946 | -20,349 | -33,583 | -30,866 | -8,830 | -16,863 |
|---|
| Proceeds from long-term borrowings | 17,850 | 31,964 | 23,344 | 35,678 | 23,842 | 17,391 | 24,045 |
|---|
| Redemption of bonds | -6,577 | -5,956 | -6,371 | -16,012 | -9,808 | -150 | -210 |
|---|
| Proceeds from issuance of bonds | 7,060 | 9,540 | 10,050 | 15,024 | 7,647 | 400 | 1,400 |
|---|
| Repayments of lease liabilities | -233 | -48 | -1,002 | -1,448 | -606 | -1,014 | -1,240 |
|---|
| Purchase of treasury shares | - | - | - | - | - | -5 | -7 |
|---|
| Proceeds from disposal of treasury shares | - | - | - | - | - | - | - |
|---|
| Dividends paid | -1,235 | -1,236 | -105 | -105 | - | -105 | -1,286 |
|---|
| Proceeds from partial sale of interests in subsidiaries to non-controlling interests | - | 11 | - | - | - | - | 11 |
|---|
| Net cash provided by (used in) financing activities | 7,798 | -525 | 18 | -8,638 | -6,129 | 7,289 | 4,344 |
|---|
| Net increase (decrease) in cash and cash equivalents | 4,776 | 3,116 | -5,379 | -10,247 | -722 | 47,686 | -43,236 |
|---|
| Increase in cash and cash equivalents resulting from merger | - | - | - | - | - | - | 9,932 |
|---|
| Effect of exchange rate changes on cash and cash equivalents | -718 | -689 | 142 | -2,363 | 6,068 | 9,625 | 7,083 |
|---|