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Note 3 - Loans - Loans Acquired in Business Combinations (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020		Sep. 30, 2020
Outstanding principal balance	$ 822,411	$ 629,914		$ 648,368
Carrying amount	816,977	622,429	[1]
Real Estate 1 [Member] | Construction and Land Development [Member]
Outstanding principal balance	45,120	27,328		27,472
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Outstanding principal balance	294,216	235,814		234,198
Real Estate 1 [Member] | Other Real Estate Loans [Member]
Outstanding principal balance	362,643	246,883		250,319
Commercial and Industrial Loans [Member]
Outstanding principal balance	105,664	109,838		125,277
Consumer and Other Loans [Member]
Outstanding principal balance	14,768	$ 10,051		$ 11,102
Financial Asset Acquired and No Credit Deterioration [Member]
Outstanding principal balance	244,054
Carrying amount	240,597
Financial Asset Acquired and No Credit Deterioration [Member] | Real Estate 1 [Member] | Construction and Land Development [Member]
Carrying amount	20,264
Financial Asset Acquired and No Credit Deterioration [Member] | Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Carrying amount	58,570
Financial Asset Acquired and No Credit Deterioration [Member] | Real Estate 1 [Member] | Other Real Estate Loans [Member]
Carrying amount	115,514
Financial Asset Acquired and No Credit Deterioration [Member] | Commercial and Industrial Loans [Member]
Carrying amount	39,597
Financial Asset Acquired and No Credit Deterioration [Member] | Consumer and Other Loans [Member]
Carrying amount	$ 6,652
[1] Derived from audited consolidated financial statements.

X

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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X

- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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