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Note 22 - Parent Corporation Only Financial Statements - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment consolidated net income | $ 20,371 | $ 17,161 | $ 19,056 | $ 17,205 | $ 19,273 | $ 21,407 | $ 21,394 | $ 24,929 | $ 73,793 | $ 87,003 | $ 125,211
(Gain) loss on equity securities, net |  |  |  |  |  |  |  |  | (2) | 117 | 1,521
Amortization of subordinated debt issuance costs |  |  |  |  |  |  |  |  | 505 | 1,184 | 304
(Increase) decrease in other assets |  |  |  |  |  |  |  |  | 8,691 | (7,514) | (12,413)
Decrease in other liabilities |  |  |  |  |  |  |  |  | (40,118) | (9,248) | 48,322
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  | 60,700 | 92,891 | 176,777
Net cash used in investing activities |  |  |  |  |  |  |  |  | 55,151 | (248,038) | (1,543,232)
Cash dividends paid on preferred stock |  |  |  |  |  |  |  |  | (6,036) | (6,036) | (6,037)
Cash dividends paid on common stock |  |  |  |  |  |  |  |  | (27,281) | (25,912) | (23,428)
Proceeds from exercise of stock options |  |  |  |  |  |  |  |  | 0 | 96 | 124
Net cash used in financing activities |  |  |  |  |  |  |  |  | (2,077) | 129,546 | 1,369,234
Increase (decrease) increase in cash and cash equivalents |  |  |  |  |  |  |  |  | 113,774 | (25,601) | 2,779
Cash and cash equivalents at beginning of period |  |  |  | 242,714 |  |  |  | 268,315 | 242,714 | 268,315 | 265,536
Cash and cash equivalents at end of period | 356,488 |  |  |  | 242,714 |  |  |  | 356,488 | 242,714 | 268,315
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |
Segment consolidated net income |  |  |  |  |  |  |  |  | 73,793 | 87,003 | 125,211
Equity in undistributed earnings of subsidiary |  |  |  |  |  |  |  |  | (33,072) | (41,691) | (96,026)
(Gain) loss on equity securities, net |  |  |  |  |  |  |  |  | (164) | 131 | 45
Amortization of subordinated debt issuance costs |  |  |  |  |  |  |  |  | 505 | 1,184 | 304
(Increase) decrease in other assets |  |  |  |  |  |  |  |  | (3) | 699 | 0
Decrease in other liabilities |  |  |  |  |  |  |  |  | (122) | (1,384) | (14)
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  | 40,937 | 45,942 | 29,520
Payments for investments and advances in subsidiaries |  |  |  |  |  |  |  |  | 0 | (32,250) | 0
Repayment of investments and advances in subsidiaries |  |  |  |  |  |  |  |  | 0 | 32,250 | 0
Purchases of equity securities |  |  |  |  |  |  |  |  | (1,533) | (2,870) | (3,538)
Net cash used in investing activities |  |  |  |  |  |  |  |  | (1,533) | (2,870) | (3,538)
Repayment of subordinated debt |  |  |  |  |  |  |  |  | 0 | (75,000) | 0
Cash dividends paid on preferred stock |  |  |  |  |  |  |  |  | (6,036) | (6,036) | (6,037)
Cash dividends paid on common stock |  |  |  |  |  |  |  |  | (27,281) | (25,912) | (23,428)
Purchase of treasury stock |  |  |  |  |  |  |  |  | (5,820) | (17,497) | (13,127)
Proceeds from exercise of stock options |  |  |  |  |  |  |  |  | 0 | 96 | 124
Net cash used in financing activities |  |  |  |  |  |  |  |  | (39,137) | (124,349) | (42,468)
Increase (decrease) increase in cash and cash equivalents |  |  |  |  |  |  |  |  | 267 | (81,277) | (16,486)
Cash and cash equivalents at beginning of period |  |  |  | $ 35,885 |  |  |  | $ 117,162 | 35,885 | 117,162 | 133,648
Cash and cash equivalents at end of period | $ 36,152 |  |  |  | $ 35,885 |  |  |  | $ 36,152 | $ 35,885 | $ 117,162

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- Definition Amount of cash outflow to acquire investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 19 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-19 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 1 -SubTopic 10 -Topic 321 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479567/321-10-45-1 + Details
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- Definition The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 + Details
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- Definition The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or sale of an entity that is related to it but not strictly controlled. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Subparagraph (a) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2A + Details
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