Note 2 - Mergers and Acquisitions - Purchased Loans As of the Acquisition Date (Details) - Springfield Bancshares	Jul. 01, 2018 USD ($)
Contractually required principal payments	$ 486,992,459
Nonaccretable discount	(1,562,455)
Principal cash flows expected to be collected	485,430,004
Accretable discount	(8,093,305)
Fair Value of acquired loans	477,336,699
Performing Loans
Contractually required principal payments	479,439,547
Principal cash flows expected to be collected	479,439,547
Accretable discount	(7,799,860)
Fair Value of acquired loans	471,639,687
PCI Loans
Contractually required principal payments	7,552,912
Nonaccretable discount	(1,562,455)
Principal cash flows expected to be collected	5,990,457
Accretable discount	(293,445)
Fair Value of acquired loans	$ 5,697,012

Fair value at acquisition of acquired loans accounted for as debt securities with evidence of deterioration of credit quality.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
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Amount of cash flows expected to be collected at acquisition of acquired loans accounted for as debt securities with evidence of deterioration of credit quality.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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