Note 2 - Mergers and Acquisitions - Assets Acquired and Liabilities Assumed (Details) - USD ($)	Apr. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Goodwill resulting from acquisition		$ 34,740,000	$ 20,798,000
First Community Bancorp [Member]
Cash and cash equivalents	$ 23,623,000
Securities available-for-sale	126,123,000
Loans receivable	190,894,000
Premises and equipment	6,393,000
Cash surrender value of life insurance	8,638,000
Core deposit intangible	7,004,000
Other assets	7,687,000
Total assets acquired	370,362,000
Deposits	321,107,000
Accrued expenses and other liabilities	1,767,000
Other borrowings	22,853,000
Total liabilities assumed	345,727,000
Net assets acquired	24,635,000
Cash	10,226,000
Common stock issued (1,396,596 shares)	28,351,000
Total consideration paid	38,577,000
Goodwill resulting from acquisition	$ 13,942,000