Note 7 - Deposits (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

	December 31, 2020					December 31, 2019					Percent Increase
	Balance		%			Balance		%			(Decrease)
Noninterest-bearing checking	$	1,433,403,000		42.0	%	$	924,916,000		34.4	%		55.0	%
Interest-bearing checking		473,053,000		13.9			332,373,000		12.3			42.3
Money market		611,912,000		17.9			509,368,000		18.9			20.1
Savings		338,070,000		9.9			269,318,000		10.0			25.5
Time, under $100,000		165,548,000		4.9			198,123,000		7.4			(16.4	)
Time, $100,000 and over		342,633,000		10.0			322,827,000		12.0			6.1
Total local deposits		3,364,619,000		98.6			2,556,925,000		95.0			31.6
Out-of-area time, $100,000 and over		46,934,000		1.4			133,459,000		5.0			(64.8	)
Total deposits	$	3,411,553,000		100.0	%	$	2,690,384,000		100.0	%		26.8	%

Contractual Maturities of Certificates of Deposits [Table Text Block]

	2020		2019
In one year or less	$	327,246,000	$	360,395,000
In one to two years		139,801,000		173,512,000
In two to three years		39,801,000		82,480,000
In three to four years		25,577,000		16,019,000
In four to five years		22,690,000		22,003,000
Total certificates of deposit	$	555,115,000	$	654,409,000

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

	2020		2019
Up to three months	$	79,500,000	$	100,635,000
Three months to six months		79,373,000		59,838,000
Six months to twelve months		77,363,000		93,691,000
Over twelve months		153,331,000		202,122,000
Total certificates of deposit	$	389,567,000	$	456,286,000