Note 2 - Investments - Schedule of Contractual Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Available-for-Sale, Amortized Cost	$ 329,830	$ 310,272
Total securities available-for-sale, fair value	302,692	281,175
Total securities held-to-maturity, amortized cost	31,782	8,500
Total securities held-to-maturity, fair value	31,776	8,144
Total securities, amortized cost	361,612	318,772
Total securities, fair value	334,468	289,319
US Government Agencies Debt Securities [Member]
Due after one year through five years, amortized cost	4,968	4,962
Due after one year through five years, fair value	4,695	4,575
Due after five years through ten years, amortized cost	15,287	10,975
Due after five years through ten years, fair value	13,000	9,193
Due after ten years, amortized cost	0	4,310
Due after ten years, fair value	0	3,370
Subtotal, amortized cost	20,255	20,247
Subtotal, fair value	17,695	17,138
Available-for-Sale, Amortized Cost	20,255	20,247
Total securities available-for-sale, fair value	17,695	17,138
Corporate Debt Securities [Member]
Due after one year through five years, amortized cost	14,000	11,000
Due after one year through five years, fair value	13,921	10,766
Due after five years through ten years, amortized cost	0	3,000
Due after five years through ten years, fair value	0	2,918
Due after ten years, amortized cost	2,000	2,000
Due after ten years, fair value	1,438	1,442
Subtotal, amortized cost	16,000	16,000
Subtotal, fair value	15,359	15,126
Available-for-Sale, Amortized Cost	16,000	16,000
Total securities available-for-sale, fair value	15,359	15,126
Due after five years through ten years, amortized cost, held to maturity	29,525	8,500
Due after five years through ten years, fair value, held to maturity	29,524	8,144
Total securities held-to-maturity, amortized cost	29,525	8,500
Total securities held-to-maturity, fair value	29,524	8,144
Municipal Bonds [Member]
Due after one year through five years, amortized cost	2,161	2,186
Due after one year through five years, fair value	2,152	2,168
Due after five years through ten years, amortized cost	4,133	4,158
Due after five years through ten years, fair value	3,697	3,728
Due after ten years, amortized cost	75,917	76,430
Due after ten years, fair value	62,673	64,448
Subtotal, amortized cost	82,211	82,774
Subtotal, fair value	68,522	70,344
Available-for-Sale, Amortized Cost	82,211	82,774
Total securities available-for-sale, fair value	68,522	70,344
Due after five years through ten years, amortized cost, held to maturity	2,257	0
Due after five years through ten years, fair value, held to maturity	2,252	0
Total securities held-to-maturity, amortized cost	2,257	0
Total securities held-to-maturity, fair value	2,252	0
Collateralized Mortgage-Backed Securities [Member]
Without single maturity date, amortized cost	199,747	178,740
Without single maturity date, fair value	190,516	167,186
Available-for-Sale, Amortized Cost	199,747	178,740
Total securities available-for-sale, fair value	190,516	167,186
Collateralized Mortgage-Backed Securities [Member] \| Federal National Mortgage Association (FNMA) [Member]
Without single maturity date, amortized cost	88,748	90,771
Without single maturity date, fair value	80,484	80,677
Collateralized Mortgage-Backed Securities [Member] \| Federal Home Loan Mortgage Corporation (FHLMC) [Member]
Without single maturity date, amortized cost	47,551	48,765
Without single maturity date, fair value	47,379	47,773
Collateralized Mortgage-Backed Securities [Member] \| Government National Mortgage Association (GNMA) [Member]
Without single maturity date, amortized cost	63,448	39,204
Without single maturity date, fair value	62,653	38,736
Asset-Backed Securities [Member]
Due after one year through five years, amortized cost	843	1,073
Due after one year through five years, fair value	823	1,037
Due after five years through ten years, amortized cost	2,639	2,867
Due after five years through ten years, fair value	2,464	2,648
Due after ten years, amortized cost	7,804	8,368
Due after ten years, fair value	6,985	7,496
Subtotal, amortized cost	11,617	12,511
Subtotal, fair value	10,600	11,381
Due within one year, amortized cost	331	203
Due within one year, fair value	328	200
Available-for-Sale, Amortized Cost	11,617	12,511
Total securities available-for-sale, fair value	$ 10,600	$ 11,381

Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

No definition available.