Note 15 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2022
Threshold for Designation to Impaired Status			$ 250
Residential Portfolio Segment [Member] | Multifamily Real Estate [Member]
Threshold for Designation to Impaired Status			250
Commercial Real Estate Portfolio Segment [Member]
Threshold for Designation to Impaired Status			500
Loans Held-for-sale [Member] | Changes Measurement [Member] | Fair Value, Nonrecurring [Member]
Assets, Fair Value Adjustment	$ 0	$ 0
Interest Rate Contract [Member]
Derivative, Fair Value, Net, Total		0	$ 0
Forward Contract [Member]
Derivative, Fair Value, Net, Total		$ 0