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Note 21 - Parent Company Only Financial Statements - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2023 | Nov. 30, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Net Income (Loss) |  |  | $ 113,558 | $ 99,066 | $ 98,905
Deferred income taxes |  |  | (946) | (4,682) | 15,272
Accretion of acquisition fair value adjustments, net |  |  | (2,173) | (8,581) | (1,340)
Depreciation |  |  | 8,725 | 7,662 | 5,359
Deferred compensation expense accrued |  |  | 5,677 | 4,062 | 4,580
Stock-based compensation expense |  |  | 2,678 | 2,438 | 2,352
Goodwill impairment | $ 0 | $ 0 |  |  |
Net decrease in interest-bearing deposits at financial institutions |  |  | (37,559) | 25,066 | 11,304
Net cash paid for acquisition |  |  |  | (26,871) |
Purchase of premises and equipment |  |  | (14,945) | (33,261) | (13,981)
Net cash provided by (used in) investing activities |  |  | (749,269) | (634,692) | (411,771)
Proceeds from subordinated notes |  |  |  | 100,000 |
Proceeds from issuance of common stock, net |  |  | 1,403 | 422 | 670
Repurchase and cancellation of shares |  |  | (8,686) | (52,954) | (14,168)
Net cash provided by (used in) financing activities |  |  | 410,346 | 538,226 | 299,714
Net increase in cash and due from banks |  |  | 37,400 | 22,233 | (23,839)
Parent Company [Member] | Reportable Legal Entities [Member] |  |  |  |  |
Net Income (Loss) |  |  | 113,558 | 99,066 | 98,905
Deferred income taxes |  |  | (349) | (2,443) | (1,093)
Accretion of acquisition fair value adjustments, net |  |  | 129 | 137 | 321
Depreciation |  |  | 576 | 477 | 486
Deferred compensation expense accrued |  |  | 4,063 | 4,062 | 573
Stock-based compensation expense |  |  | 2,678 | 2,438 | 2,352
Gain on sale of fixed assets |  |  |  |  | 155
Decrease (increase) in other assets |  |  | (2,649) | 621 | 5
Increase (decrease) in other liabilities |  |  | 9,062 | 10,827 | (14,702)
Net cash provided by (used in) operating activities |  |  | (12,489) | 20,990 | (30,832)
Net decrease in interest-bearing deposits at financial institutions |  |  |  | 5,950 | 1,450
Net cash received in dissolution of subsidiary |  |  | 3,184 |  |
Net cash paid for acquisition |  |  |  | (26,039) |
Purchase of premises and equipment |  |  | (224) | (1,484) | (31)
Net cash provided by (used in) investing activities |  |  | (7,040) | (21,873) | 1,044
Proceeds from subordinated notes |  |  |  | 100,000 |
Payment of cash dividends |  |  | (4,029) | (3,944) | (3,793)
Proceeds from issuance of common stock, net |  |  | 1,403 | 422 | 670
Repurchase and cancellation of shares |  |  | (8,686) | (52,954) | (14,168)
Net cash provided by (used in) financing activities |  |  | (11,312) | 43,524 | (17,291)
Net increase in cash and due from banks |  |  | (30,841) | 42,641 | (47,079)
Cash and due from banks, beginning |  |  | 84,172 | 41,531 | 88,610
Cash and due from banks, ending |  |  | 53,331 | 84,172 | 41,531
Parent Company [Member] | Reportable Legal Entities [Member] | Bank Subsidiaries [Member] |  |  |  |  |
Earnings of bank subsidiaries |  |  | (137,451) | (128,941) | (117,408)
Parent Company [Member] | Reportable Legal Entities [Member] | Non-bank Subsidiaries [Member] |  |  |  |  |
Earnings of bank subsidiaries |  |  | (2,220) | (1,294) | (456)
Distributions from bank subsidiaries |  |  | 114 | 40 | 30
Parent Company [Member] | Reportable Legal Entities [Member] | Bank Subsidiaries [Member] |  |  |  |  |
Distributions from bank subsidiaries |  |  |  | 36,000 |
Capital infusion to subsidiaries |  |  | $ (10,000) |  |
Parent Company [Member] | Reportable Legal Entities [Member] | Non-bank Subsidiaries [Member] |  |  |  |  |
Capital infusion to subsidiaries |  |  |  | $ (300) | $ (375)

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