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Condensed Financial Information of Parent Company - Statement of Cash Flows of Parent Company (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash Flows from Operating Activities: |  |  |  |  |  |  |  |  |  |  |  |
Net income | $ 14,416 | $ 13,121 | $ 14,148 | $ 14,804 | $ 14,829 | $ 13,958 | $ 13,983 | $ 11,053 | $ 56,489 | $ 53,823 |  | $ 49,761
Adjustments to reconcile net income to net cash used in operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  |  |  |  |  | 3,008 | 2,241 |  | 2,165
Bargain purchase gain |  |  |  |  |  |  |  |  | 0 | 0 |  | (14,577)
Change in other liabilities |  |  |  |  |  |  |  |  | (8,346) | (11,596) |  | 18,519
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 54,383 | 66,530 |  | 25,467
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |
Cash paid for repurchases of vested shares due to employee tax liability |  |  |  |  |  |  |  |  | 78,282 | 454,201 |  | 169,533
Cash acquired in acquisition, net of cash consideration paid |  |  |  |  |  |  |  |  | 0 | 0 |  | 118,533
Net cash (used in) provided by investing activities |  |  |  |  |  |  |  |  | (491,486) | (20,267) |  | 16,397
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from exercise of stock options and stock warrants |  |  |  |  |  |  |  |  | 1,453 | 616 |  | 467
Cash dividend paid |  |  |  |  |  |  |  |  | (25,661) | (12,783) | [1] | (6,694)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | 419,974 | (40,219) |  | (62,901)
Net increase (decrease) in cash |  |  |  |  |  |  |  |  | (17,129) | 6,044 |  | (21,037)
Cash and cash equivalents at beginning of year |  |  |  | 164,364 |  |  |  | 158,320 | 164,364 | 158,320 |  | 179,357
Cash and cash equivalents at end of period | 147,235 |  |  |  | 164,364 |  |  |  | 147,235 | 164,364 |  | 158,320
Hanmi Financial [Member] |  |  |  |  |  |  |  |  |  |  |  |
Cash Flows from Operating Activities: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | 56,489 | 53,823 |  | 49,761
Adjustments to reconcile net income to net cash used in operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Income from subsidiaries |  |  |  |  |  |  |  |  | (51,141) | (56,840) |  | (39,576)
Amortization of subordinated debentures |  |  |  |  |  |  |  |  | 275 | 159 |  | 71
Share-based compensation expense |  |  |  |  |  |  |  |  | 3,008 | 2,241 |  | 2,165
Bargain purchase gain |  |  |  |  |  |  |  |  | 0 | 0 |  | (14,577)
Change in other assets |  |  |  |  |  |  |  |  | (47) | (1,277) |  | (2,320)
Change in other liabilities |  |  |  |  |  |  |  |  | (48) | (1,403) |  | 15,715
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 8,536 | (3,297) |  | 11,239
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |
Cash paid for repurchases of vested shares due to employee tax liability |  |  |  |  |  |  |  |  | (579) | (349) |  | 0
Cash acquired in acquisition, net of cash consideration paid |  |  |  |  |  |  |  |  | 0 | 0 |  | 116,967
Proceeds from Hanmi Bank |  |  |  |  |  |  |  |  | 0 | 12,782 |  | 76,231
Payments to Hanmi Bank |  |  |  |  |  |  |  |  | 0 | 0 |  | (193,179)
Net cash (used in) provided by investing activities |  |  |  |  |  |  |  |  | (579) | 12,433 |  | 19
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from exercise of stock options and stock warrants |  |  |  |  |  |  |  |  | 1,453 | 616 |  | 467
Cash dividend paid |  |  |  |  |  |  |  |  | (21,185) | (12,780) |  | (6,694)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | (19,732) | (12,164) |  | (6,227)
Net increase (decrease) in cash |  |  |  |  |  |  |  |  | (11,775) | (3,028) |  | 5,031
Cash and cash equivalents at beginning of year |  |  |  | $ 15,660 |  |  |  | $ 18,688 | 15,660 | 18,688 |  | 13,657
Cash and cash equivalents at end of period | $ 3,885 |  |  |  | $ 15,660 |  |  |  | $ 3,885 | $ 15,660 |  | $ 18,688
[1] | The 2015 amounts have been corrected in the current year and differ from the previously reported amounts of $10.5 million and $4.5 million for cash dividends paid and declared, respectively; and the 2014 amount has been corrected in the current year from the previously reported amount of $2.2 million for cash dividends declared.

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