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Note 3 - Loans - Summary of Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Total loans | $ 13,696,912 | $ 12,605,836 |  |
Less allowance for credit losses | (171,683) | (164,458) | $ (153,317) | $ (146,297)
Net Loans | 13,525,229 | 12,441,378 |  |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Total loans | 3,146,736 | 2,869,894 |  |
Real Estate Portfolio Segment[Member] |  |  |  |
Total loans | 9,014,925 | 8,173,009 |  |
Less allowance for credit losses | (82,543) | (67,726) | (55,126) | (58,652)
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |  |  |
Total loans | 1,457,628 | 1,489,306 |  |
Less allowance for credit losses | (22,432) | (38,597) | (44,658) | (42,889)
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |  |  |
Total loans | 2,739,823 | 2,547,143 |  |
Less allowance for credit losses | (18,833) | (22,302) | (17,702) | (16,843)
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |  |  |
Total loans | 1,671,713 | 1,444,623 |  |
Less allowance for credit losses | (24,739) | (14,096) | (12,029) | (12,219)
Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |  |  |
Total loans | 4,603,389 | 4,181,243 |  |
Less allowance for credit losses | (38,971) | (31,328) | (25,395) | (29,590)
Consumer Portfolio Segment [Member] |  |  |  |
Total loans | 77,623 | 73,627 |  |
Less allowance for credit losses | $ (3,088) | $ (2,805) | $ (1,412) | $ (1,926)

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