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Note 14 - Disclosure of Financial Instruments Not Reported at Fair Value - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Cash and cash equivalents | $ 573,869 | $ 961,192
Accrued interest receivable | 17,056 | 13,745
Non-interest bearing | 2,121,304 | 1,755,754
Time deposits | 503,853 | 434,222
Accrued interest payable | 277 | 300
Reported Value Measurement [Member] |  |
Cash and cash equivalents | 573,869 | 961,192
HTM debt securities | 485,449 |
Federal Home Loan Bank stock | 13,811 | 9,376
Loans, net | 4,810,962 | 4,115,405
Accrued interest receivable | 17,056 | 13,745
Non-interest bearing | 2,121,304 | 1,755,754
Transaction deposits | 3,923,973 | 3,597,538
Time deposits | 503,853 | 434,222
Securities sold under agreement to repurchase | 161,512 | 75,466
Federal funds purchased | 8,771 | 10,374
Subordinated debentures | 26,144 |
Accrued interest payable | 277 | 300
Mortgage loans held for sale |  | 8,614
Estimate of Fair Value Measurement [Member] |  |
Cash and cash equivalents | 573,869 | 961,192
HTM debt securities | 460,846 |
Federal Home Loan Bank stock | 13,811 | 9,376
Loans, net | 4,699,580 | 4,129,091
Accrued interest receivable | 17,056 | 13,745
Non-interest bearing | 2,121,304 | 1,755,754
Transaction deposits | 3,923,973 | 3,597,538
Time deposits | 494,585 | 433,813
Securities sold under agreement to repurchase | 161,512 | 75,466
Federal funds purchased | 8,771 | 10,374
Subordinated debentures | 26,262 |
Accrued interest payable | 277 | 300
Mortgage loans held for sale |  | 8,818
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Cash and cash equivalents | 573,869 | 961,192
HTM debt securities | 0 |
Federal Home Loan Bank stock | 0 | 0
Loans, net | 0 | 0
Accrued interest receivable | 17,056 | 13,745
Non-interest bearing | 2,121,304 | 1,755,754
Transaction deposits | 0 | 0
Time deposits | 0 | 0
Securities sold under agreement to repurchase | 0 | 0
Federal funds purchased | 0 | 0
Subordinated debentures | 0 |
Accrued interest payable | 277 | 300
Mortgage loans held for sale |  | 0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Cash and cash equivalents | 0 | 0
HTM debt securities | 460,846 |
Federal Home Loan Bank stock | 13,811 | 9,376
Loans, net | 0 | 0
Accrued interest receivable | 0 | 0
Non-interest bearing | 0 | 0
Transaction deposits | 3,923,973 | 3,597,538
Time deposits | 494,585 | 433,813
Securities sold under agreement to repurchase | 161,512 | 75,466
Federal funds purchased | 8,771 | 10,374
Subordinated debentures | 26,262 |
Accrued interest payable | 0 | 0
Mortgage loans held for sale |  | 8,818
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Cash and cash equivalents | 0 | 0
HTM debt securities | 0 |
Federal Home Loan Bank stock | 0 | 0
Loans, net | 4,699,580 | 4,129,091
Accrued interest receivable | 0 | 0
Non-interest bearing | 0 | 0
Transaction deposits | 0 | 0
Time deposits | 0 | 0
Securities sold under agreement to repurchase | 0 | 0
Federal funds purchased | 0 | 0
Subordinated debentures | 0 |
Accrued interest payable | $ 0 | 0
Mortgage loans held for sale |  | $ 0

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity).. + References No definition available. + Details
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- Definition Represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount shown on the entity's books for investments made in Federal Home Loan Bank stock and other securities. + References No definition available. + Details
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- Definition The sum of cash and cash equivalents plus Federal Funds Sold. Cash and cash equivalents consist of short term, highly liquid investments that are readily convertible to known amounts of cash and are so near their maturity that they present negligible risk of changes in value due to changes in interest rates -- usually with an original maturity less than 90 days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.1,2,3) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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- Definition Fair value portion of short term borrowing where a bank borrows, at the federal funds rate, from another bank. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI https://asc.fasb.org/subtopic&trid=2196772 + Details
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- Definition The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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