Note 3 - Loans Receivable - Loans by Earlier of Repricing date or Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Total loans	$ 1,357,161	$ 1,154,033
Adjustable Rate Loans [Member]
Due within one year	302,187	149,701
After one but within five years	258,094	231,491
After five but within ten years	54,351	83,286
After ten years	19,098	16,608
Total loans	633,730	481,086
Fixed Rate Loans [Member]
Due within one year	31,970	54,903
After one but within five years	148,233	107,785
After five but within ten years	194,245	219,014
After ten years	348,983	291,245
Total loans	$ 723,431	$ 672,947