Note 8 - Commitments and Off-balance Sheet Risk (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Summary of Contractual Amounts of Financial Instruments With Off Balance Sheet Risk [Table Text Block]

	September 30,		December 31,
	2023		2022
Commercial unused lines of credit	$	1,603,414,000	$	1,283,703,000
Unused lines of credit secured by 1–4 family residential properties		74,130,000		71,972,000
Credit card unused lines of credit		135,886,000		123,687,000
Other consumer unused lines of credit		58,486,000		75,747,000
Commitments to make loans		287,510,000		329,646,000
Standby letters of credit		19,367,000		23,539,000
	$	2,178,793,000	$	1,908,294,000