Deposits - Interest Expense on Deposits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Note 9 - Deposits - Interest Expense on Deposits (Details)
Certificate of deposit accounts	$ 12,547	$ 7,340	$ 18,096
Savings accounts	211	255	495
Money market accounts	19,039	7,271	14,368
NOW accounts	15,353	5,453	9,309
Total due to depositors	47,150	20,319	42,268
Mortgagors' escrow deposits	135	5	44
Total interest expense on deposits	$ 47,285	$ 20,324	$ 42,312