Note E - Other Real Estate - Other Real Estate (Details) $ in Thousands	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Number of properties	20	21
Balance	$ 7,453	$ 8,943
Construction, Land Development and Other Land [Member]
Number of properties	12	12
Balance	$ 4,828	$ 6,007
Multifamily Residential Properties [Member]
Number of properties	3	3
Balance	$ 370	$ 859
Nonfarm Residential [Member]
Number of properties	4	5
Balance	$ 1,902	$ 1,725
Other Real Estate [Member]
Number of properties	1	1
Balance	$ 353	$ 352

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5162-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4437-111522

Name:	us-gaap_RealEstateAcquiredThroughForeclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant