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Note 3 - Loans and Allowance for Credit Losses - Retail Credit Exposure (Details) - USD ($)		Sep. 30, 2022	Dec. 31, 2021
Loans		$ 3,880,958,000	$ 3,453,459,000
Retail Portfolio Segment [Member]
Loans		735,895,000	503,035,000
Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Loans	[1]	30,454,000	60,488,000
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans		705,441,000	442,547,000
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Other Consumer Loans [Member]
Loans		30,454,000	60,369,000
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | One to Four Family Mortgages [Member]
Loans		704,274,000	440,861,000
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Other Consumer Loans [Member]
Loans		0	119,000
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | One to Four Family Mortgages [Member]
Loans		$ 1,167,000	$ 1,686,000
[1] In conjunction with the adoption of the CECL methodology effective January 1, 2022, home equity lines of credit were reclassified to 1-4 family mortgage loans from other consumer loans. Home equity lines of credit totaled $35.6 million and $29.5 million as of September 30, 2022 and December 31, 2021, respectively.

X

- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

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