Note 8 - Deposits (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2021	May 31, 2021	Dec. 31, 2020
Interest-bearing Domestic Deposit, Brokered	$ 4,000		$ 25,000
Deposits, Total	$ 5,342,024		$ 3,988,634
Kentucky Bancshares [Member]
Deposits, Total		$ 1,000,000

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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 http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Name:	us-gaap_Deposits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant