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Summary of Unaudited Quarterly Operating Results: Schedule of Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
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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, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Summary of Unaudited Quarterly Operating Results |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest income | $ 82,585 | $ 83,796 | $ 80,927 | $ 77,390 | $ 76,482 | $ 75,272 | $ 73,618 | $ 71,463 | $ 67,949 | $ 59,657 | $ 52,698 | $ 46,673 |  |  |
Interest expense | 33,051 | 35,821 | 34,109 | 32,574 | 31,335 | 28,534 | 25,480 | 18,271 | 13,330 | 6,759 | 3,867 | 3,407 | $ 135,555 | $ 103,620 | $ 27,363
Provision for credit losses on loans |  | 1,200 |  | 500 | 750 |  |  | 1,500 | 1,000 | 2,000 |  |  |  |  |
Provision (credit) for unfunded commitments | 1,556 | (63) | (607) | 130 | (1,689) | (1,195) | (1,619) | (826) | (159) | 1,315 | 2,223 | (193) |  |  |
Net realized gain (loss) on available-for-sale securities |  |  |  |  |  |  |  |  | (168) | 31 |  | 7 |  |  |
Non-interest income | 6,934 | 6,992 | 9,833 | 6,806 | 6,563 | 7,852 | 7,769 | 7,889 | 7,661 | 7,984 | 9,319 | 9,176 |  |  |
Non-interest expense | 36,947 | 33,717 | 36,409 | 34,422 | 36,285 | 35,557 | 34,718 | 34,463 | 34,336 | 34,758 | 33,004 | 31,268 |  |  |
Provision for income taxes | 3,043 | 3,623 | 3,861 | 3,163 | 3,219 | 4,349 | 4,488 | 5,488 | 4,499 | 4,676 | 4,699 | 4,380 |  |  |
Net income available to common shareholders | $ 14,922 | $ 16,490 | $ 16,988 | $ 13,407 | $ 13,145 | $ 15,879 | $ 18,320 | $ 20,456 | $ 22,604 | $ 18,133 | $ 18,224 | $ 16,987 |  |  |
Earnings per common share - diluted | $ 1.27 | $ 1.41 | $ 1.45 | $ 1.13 | $ 1.11 | $ 1.33 | $ 1.52 | $ 1.67 | $ 1.84 | $ 1.46 | $ 1.44 | $ 1.3 |  |  |

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