Note 16 - Fair Value Measurements - Carrying and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Securities available for sale	$ 322,523	$ 379,195
Fair Value, Inputs, Level 3 [Member]
Securities available for sale	0	0
Reported Value Measurement [Member]
Cash and cash equivalents	251,605	79,582
Securities available for sale	322,523	379,195
Restricted stock	8,694	8,630
Loans held for sale	2,845	2,027
Loans, net of allowance	2,083,204	1,817,663
Bank owned life insurance	28,122	27,817
Accrued interest receivable	8,921	6,625
Deposits	2,431,776	2,060,547
Repurchase agreements	46,296	40,475
Subordinated debt		7,517
Accrued interest payable	1,004	1,213
Derivative - cash flow hedges	5,616	2,658
Reported Value Measurement [Member] \| Subordinated Debt [Member]
Subordinated debt	7,508
Reported Value Measurement [Member] \| Junior Subordinated Debt [Member]
Subordinated debt	28,080	28,029
Estimate of Fair Value Measurement [Member]
Cash and cash equivalents	251,605	79,582
Securities available for sale	322,523	379,195
Restricted stock	8,694	8,630
Loans held for sale	2,845	2,027
Loans, net of allowance	2,072,726	1,818,655
Bank owned life insurance	28,122	27,817
Accrued interest receivable	8,921	6,625
Deposits	2,436,267	2,062,823
Repurchase agreements	46,296	40,475
Subordinated debt		8,525
Accrued interest payable	1,004	1,213
Derivative - cash flow hedges	5,616	2,658
Estimate of Fair Value Measurement [Member] \| Subordinated Debt [Member]
Subordinated debt	7,545
Estimate of Fair Value Measurement [Member] \| Junior Subordinated Debt [Member]
Subordinated debt	18,712	22,697
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents	251,605	79,582
Securities available for sale	0	0
Restricted stock	0	0
Loans held for sale	0	0
Loans, net of allowance	0	0
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Deposits	0	0
Repurchase agreements	0	0
Subordinated debt		0
Accrued interest payable	0	0
Derivative - cash flow hedges	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member] \| Subordinated Debt [Member]
Subordinated debt	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member] \| Junior Subordinated Debt [Member]
Subordinated debt	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Cash and cash equivalents	0	0
Securities available for sale	322,523	379,195
Restricted stock	8,694	8,630
Loans held for sale	2,845	2,027
Loans, net of allowance	0	0
Bank owned life insurance	28,122	27,817
Accrued interest receivable	8,921	6,625
Deposits	2,436,267	2,062,823
Repurchase agreements	46,296	40,475
Subordinated debt		8,525
Accrued interest payable	1,004	1,213
Derivative - cash flow hedges	5,616	2,658
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member] \| Subordinated Debt [Member]
Subordinated debt	7,545
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member] \| Junior Subordinated Debt [Member]
Subordinated debt	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Cash and cash equivalents	0	0
Securities available for sale	0	0
Restricted stock	0	0
Loans held for sale	0	0
Loans, net of allowance	2,072,726	1,818,655
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Deposits	0	0
Repurchase agreements	0	0
Subordinated debt		0
Accrued interest payable	0	0
Derivative - cash flow hedges	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member] \| Subordinated Debt [Member]
Subordinated debt	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member] \| Junior Subordinated Debt [Member]
Subordinated debt	$ 18,712	$ 22,697

The fair value portion of accrued interest receivable.

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The fair value portion of bank owned life insurance.

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Fair value portion of accrued expenses.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

+ References

No definition available.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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- Definition

Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

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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.

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- Definition

The aggregate value of all restricted investments.

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- Definition

Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price.

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