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Note 21 - Parent Corporation Only Financial Statements - Condensed Income Statement (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Dividends |  |  |  |  |  |  |  |  | $ 1,655 | $ 971 | $ 1,642
Net income | $ 32,557 | $ 28,915 | $ 32,358 | $ 31,381 | $ 33,038 | $ 32,097 | $ 32,219 | $ 32,999 | 125,211 | 130,353 | 71,289
Preferred dividends | 1,510 | 1,509 | 1,509 | 1,509 | 1,717 | 0 | 0 | 0 | 6,037 | 1,717 | 0
Net income available to common stockholders | $ 31,047 | $ 27,406 | $ 30,849 | $ 29,872 | $ 31,321 | $ 32,097 | $ 32,219 | $ 32,999 | 119,174 | 128,636 | 71,289
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | 36,475 | 24,071 | 15,200
Other income |  |  |  |  |  |  |  |  | 1,638 | 1,627 | 1,683
Total Income |  |  |  |  |  |  |  |  | 38,113 | 25,698 | 16,883
Expenses |  |  |  |  |  |  |  |  | (8,928) | (8,741) | (9,263)
Income before equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 29,185 | 16,957 | 7,620
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 96,026 | 113,396 | 63,669
Net income |  |  |  |  |  |  |  |  | 125,211 | 130,353 | 71,289
Preferred dividends |  |  |  |  |  |  |  |  | 6,037 | 1,717 | 0
Net income available to common stockholders |  |  |  |  |  |  |  |  | $ 119,174 | $ 128,636 | $ 71,289

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