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Note 21 - Parent Company Only Financial Statements - Condensed Balance Sheets (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Cash and due from banks | $ 76,254 | $ 85,523 |  |
Interest-bearing deposits at financial institutions | 147,891 | 133,198 |  |
Securities available for sale, at fair value | 210,695 | 261,056 |  |
Loans/leases receivable, held for investment | 3,686,532 | 3,731,459 |  |
Premises and equipment, net | 73,859 | 75,582 |  |
Goodwill | 74,748 | 77,832 | $ 28,334 | $ 13,111
Intangibles | 14,970 | 17,450 | 9,079 |
Other assets | 147,802 | 75,001 |  |
Total assets | 4,909,050 | 4,949,710 | 3,982,665 |
Other borrowings |  | 67,250 |  |
Subordinated notes | 68,394 | 4,782 |  |
Junior subordinated debentures | 37,838 | 37,670 |  |
Other liabilities | 178,690 | 94,573 |  |
Total liabilities | 4,373,699 | 4,476,572 |  |
Common stock | 15,828 | 15,718 |  |
Additional paid-in capital | 274,785 | 270,761 |  |
Retained earnings | 245,836 | 192,203 |  |
Total stockholders' equity | 535,351 | 473,138 | $ 353,287 | $ 286,041
Total liabilities and stockholders' equity | 4,909,050 | 4,949,710 |  |
Reportable Legal Entities [Member] | Parent Company [Member] |  |  |  |
Cash and due from banks | 59,529 | 6,606 |  |
Interest-bearing deposits at financial institutions | 5,601 | 1,001 |  |
Premises and equipment, net | 9,424 | 6,956 |  |
Goodwill | 682 | 3,766 |  |
Intangibles | 1,503 | 1,855 |  |
Other assets | 15,150 | 14,794 |  |
Total assets | 675,826 | 572,022 |  |
Other borrowings |  | 32,250 |  |
Subordinated notes | 63,531 |  |  |
Junior subordinated debentures | 37,838 | 37,670 |  |
Other liabilities | 39,106 | 28,964 |  |
Total liabilities | 140,475 | 98,884 |  |
Common stock | 15,828 | 15,718 |  |
Additional paid-in capital | 274,785 | 270,761 |  |
Retained earnings | 245,836 | 192,203 |  |
Accumulated other comprehensive loss | (1,098) | (5,544) |  |
Total stockholders' equity | 535,351 | 473,138 |  |
Total liabilities and stockholders' equity | 675,826 | 572,022 |  |
Reportable Legal Entities [Member] | Parent Company [Member] | Bank Subsidiaries [Member] |  |  |  |
Investment in bank subsidiaries | 570,698 | 532,164 |  |
Reportable Legal Entities [Member] | Parent Company [Member] | Non-bank Subsidiaries [Member] |  |  |  |
Investment in bank subsidiaries | $ 13,239 | $ 4,880 |  |

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