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Note 17 - Fair Value Measurements and Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Securities available-for-sale | $ 1,473,348 | $ 1,127,309
Equity securities | 22,158 | 22,319
Assets, fair value disclosure | 1,540,447 | 1,160,854
Liabilities, fair value disclosure | 52,806 | 12,969
Mutual Funds [Member] |  |
Equity securities | 5,509 | 6,230
Preferred Stock of Government Sponsored Entities [Member] |  |
Equity securities | 1,289 | 1,811
Other Equity Securities [Member] |  |
Equity securities | 15,360 | 14,278
Warrant [Member] |  |
Assets, fair value disclosure | 50 | 23
Interest Rate Swap [Member] |  |
Assets, fair value disclosure | 44,443 | 10,090
Liabilities, fair value disclosure | 51,864 | 12,642
Foreign Exchange Contract [Member] |  |
Assets, fair value disclosure | 448 | 1,113
Liabilities, fair value disclosure | 942 | 327
Fair Value, Inputs, Level 1 [Member] |  |
Securities available-for-sale | 240,500 | 0
Equity securities | 22,158 | 22,319
Assets, fair value disclosure | 262,658 | 22,319
Liabilities, fair value disclosure | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Mutual Funds [Member] |  |
Equity securities | 5,509 | 6,230
Fair Value, Inputs, Level 1 [Member] | Preferred Stock of Government Sponsored Entities [Member] |  |
Equity securities | 1,289 | 1,811
Fair Value, Inputs, Level 1 [Member] | Other Equity Securities [Member] |  |
Equity securities | 15,360 | 14,278
Fair Value, Inputs, Level 1 [Member] | Warrant [Member] |  |
Assets, fair value disclosure | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member] |  |
Assets, fair value disclosure | 0 | 0
Liabilities, fair value disclosure | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Foreign Exchange Contract [Member] |  |
Assets, fair value disclosure | 0 | 0
Liabilities, fair value disclosure | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Securities available-for-sale | 1,232,848 | 1,127,309
Equity securities | 0 | 0
Assets, fair value disclosure | 1,277,739 | 1,138,512
Liabilities, fair value disclosure | 52,806 | 12,969
Fair Value, Inputs, Level 2 [Member] | Mutual Funds [Member] |  |
Equity securities | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Preferred Stock of Government Sponsored Entities [Member] |  |
Equity securities | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Other Equity Securities [Member] |  |
Equity securities | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Warrant [Member] |  |
Assets, fair value disclosure | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] |  |
Assets, fair value disclosure | 44,443 | 10,090
Liabilities, fair value disclosure | 51,864 | 12,642
Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Contract [Member] |  |
Assets, fair value disclosure | 448 | 1,113
Liabilities, fair value disclosure | 942 | 327
Fair Value, Inputs, Level 3 [Member] |  |
Securities available-for-sale | 0 | 0
Equity securities | 0 | 0
Assets, fair value disclosure | 50 | 23
Liabilities, fair value disclosure | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds [Member] |  |
Equity securities | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Preferred Stock of Government Sponsored Entities [Member] |  |
Equity securities | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Other Equity Securities [Member] |  |
Equity securities | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Warrant [Member] |  |
Assets, fair value disclosure | 50 | 23
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member] |  |
Assets, fair value disclosure | 0 | 0
Liabilities, fair value disclosure | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Foreign Exchange Contract [Member] |  |
Assets, fair value disclosure | 0 | 0
Liabilities, fair value disclosure | 0 | 0
US Treasury Securities [Member] |  |
Securities available-for-sale | 240,500 | 0
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available-for-sale | 240,500 | 0
US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available-for-sale | 0 | 0
US Treasury Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available-for-sale | 0 | 0
US Government Corporations and Agencies Securities [Member] |  |
Securities available-for-sale | 63,610 | 87,509
US Government Corporations and Agencies Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available-for-sale | 0 | 0
US Government Corporations and Agencies Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available-for-sale | 63,610 | 87,509
US Government Corporations and Agencies Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available-for-sale | 0 | 0
US Government-sponsored Enterprises Debt Securities [Member] |  |
Securities available-for-sale | 30,000 |
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available-for-sale | 0 |
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available-for-sale | 30,000 |
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available-for-sale | 0 |
Commercial Mortgage-Backed Securities [Member] |  |
Securities available-for-sale | 867,094 | 888,665
Commercial Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available-for-sale | 0 | 0
Commercial Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available-for-sale | 867,094 | 888,665
Commercial Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available-for-sale | 0 | 0
Collateralized Mortgage Obligations [Member] |  |
Securities available-for-sale | 31,061 | 9,117
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available-for-sale | 0 | 0
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available-for-sale | 31,061 | 9,117
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available-for-sale | 0 | 0
Corporate Debt Securities [Member] |  |
Securities available-for-sale | 241,083 | 142,018
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available-for-sale | 0 | 0
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available-for-sale | 241,083 | 142,018
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available-for-sale | $ 0 | $ 0

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