Note 15 - Fair Value of Financial Instruments - Schedule of Carrying Amounts of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2023		Dec. 31, 2022
Assets, Fair Value Disclosure [Abstract]
Derivative assets	$ 796		$ 3,426
Liabilities, Fair Value Disclosure [Abstract]
Derivative liabilities	668		1,208
Fair Value, Recurring [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative assets	796		3,426
Liabilities, Fair Value Disclosure [Abstract]
Derivative liabilities	668	[1]	1,208	[2]
Fair value of loans	16,187		17,895
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative assets	796		3,426
Liabilities, Fair Value Disclosure [Abstract]
Derivative liabilities	668	[1]	1,208	[2]
Fair value of loans	$ 16,187		$ 17,895

[1] Derivative liabilities are included in Accounts payable and accrued liabilities on the consolidated balance sheets.

[2] Derivative liabilities are included in Accounts payable and accrued liabilities on the consolidated balance sheets.