XML 86 R43.htm IDEA: XBRL DOCUMENT

Note 1 - Summary of Significant Accounting Policies - Estimated Useful Lives of Premises and Equipment (Details)	12 Months Ended
	Dec. 31, 2019
Building [Member] \| Minimum [Member]
Premises and equipment, useful life (Year)	5 years
Building [Member] \| Maximum [Member]
Premises and equipment, useful life (Year)	50 years
Furniture and Fixtures [Member] \| Minimum [Member]
Premises and equipment, useful life (Year)	3 years
Furniture and Fixtures [Member] \| Maximum [Member]
Premises and equipment, useful life (Year)	39 years