Note 7 - Deposits (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Summary of Deposits and Percentage Change in Deposits [Table Text Block]

	December 31, 2021					December 31, 2020					Percent Increase
	Balance		%			Balance		%			(Decrease)
Noninterest-bearing checking	$	1,677,952,000		41.1	%	$	1,433,403,000		42.0	%		17.1	%
Interest-bearing checking		538,838,000		13.2			473,053,000		13.9			13.9
Money market		1,040,176,000		25.5			611,912,000		17.9			70.0
Savings		394,330,000		9.7			338,070,000		9.9			16.6
Time, under $100,000		132,776,000		3.2			165,548,000		4.9			(19.8	)
Time, $100,000 and over		275,208,000		6.7			342,633,000		10.0			(19.7	)
Total local deposits		4,059,280,000		99.4			3,364,619,000		98.6			20.6
Out-of-area time, $100,000 and over		23,913,000		0.6			46,934,000		1.4			(49.0	)
Total deposits	$	4,083,193,000		100.0	%	$	3,411,553,000		100.0	%		19.7	%

Contractual Maturities of Certificates of Deposits [Table Text Block]

	2021		2020
In one year or less	$	260,501,000	$	327,246,000
In one to two years		78,024,000		139,801,000
In two to three years		34,595,000		39,801,000
In three to four years		7,863,000		25,577,000
In four to five years		50,914,000		22,690,000
Total certificates of deposit	$	431,897,000	$	555,115,000

Contractual Maturities of Certificates of Deposits of More than Specified Amount [Table Text Block]

	2021		2020
Up to three months	$	68,887,000	$	79,500,000
Three months to six months		53,077,000		79,373,000
Six months to twelve months		56,612,000		77,363,000
Over twelve months		120,545,000		153,331,000
Total certificates of deposit	$	299,121,000	$	389,567,000