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Condensed Financial Information of Parent Company - Statement of Cash Flows of Parent Company (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash Flows from Operating Activities: |  |  |
Net income | $ 98,677 | $ 42,196 | $ 32,788
Adjustments to reconcile net income to net cash used in operating activities |  |  |
Share-based compensation expense | 2,436 | 2,544 | 3,125
Net cash provided by (used in) operating activities | 93,729 | 60,203 | 58,796
Cash flows from financing activities: |  |  |
Proceeds from exercise of stock options |  |  | 2,979
Issuance of subordinated debentures | 107,929 |  |
Purchase of subordinated debentures | (13,043) |  |
Cash paid for repurchase of vested shares due to employee tax liability | (572) | (335) | (517)
Repurchase of common stock | (6,135) | (2,196) | (7,362)
Cash dividends paid | (16,514) | (15,960) | (29,776)
Net cash provided by (used in) financing activities | 570,426 | 617,555 | (47,949)
Net increase (decrease) in cash and due from banks | 217,116 | 270,171 | (33,698)
Cash and due from banks at beginning of year | 391,849 | 121,678 | 155,376
Cash and due from banks at end of period | 608,965 | 391,849 | 121,678
Hanmi Financial |  |  |
Cash Flows from Operating Activities: |  |  |
Net income | 98,676 | 42,197 | 32,788
Adjustments to reconcile net income to net cash used in operating activities |  |  |
Undistributed income of subsidiary | (87,239) | (33,463) | 3,170
Amortization of subordinated debentures | 1,148 | 595 | 569
Share-based compensation expense | 2,437 | 2,544 | 3,125
Change in other assets and liabilities | (9,076) | 6,779 | 4,679
Net cash provided by (used in) operating activities | 5,946 | 18,651 | 44,331
Cash flows from financing activities: |  |  |
Proceeds from exercise of stock options | 0 | 0 | 2,979
Issuance of subordinated debentures | 107,929 | 0 | 0
Purchase of subordinated debentures | (13,043) | 0 | 0
Cash paid for repurchase of vested shares due to employee tax liability | (572) | (335) | (517)
Repurchase of common stock | (6,135) | (2,196) | (7,362)
Cash dividends paid | (16,514) | (15,959) | (29,776)
Net cash provided by (used in) financing activities | 71,665 | (18,489) | (34,676)
Net increase (decrease) in cash and due from banks | 77,611 | 162 | 9,655
Cash and due from banks at beginning of year | 17,266 | 17,105 | 7,450
Cash and due from banks at end of period | $ 94,877 | $ 17,266 | $ 17,105

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