Note 4 - Loans Leases Receivable - Allowance for Estimated Losses on Loans Leases (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Balance	$ 84,376	$ 36,001	$ 39,847
Provision for credit losses	5,702	55,704	6,638
Reclassification of allowance for loans and leases relating to assets held for sale.			(6,122)
Charged off	(4,538)	(8,383)	(5,134)
Recoveries	1,283	1,054	772
Balance	78,721	$ 84,376	36,001
Allowance as a percentage of impaired loans/leases		18.32%
Allowance as a percentage of nonimpaired loans/leases		1.93%
Total allowance as a percentage of total loans/leases		1.99%
Accounting Standards Update 2016-13
Balance	(8,102)
Asset held-for-sale
Provision for credit losses			428
Owner Occupied Commercial Real Estate Loans [Member]
Provision for credit losses	(198)
Recoveries	3
Balance	8,501
Owner Occupied Commercial Real Estate Loans [Member] \| Accounting Standards Update 2016-13
Balance	8,696
CRE - non owner occupied
Provision for credit losses	(1,088)
Charged off	(1,876)
Recoveries	85
Balance	8,549
CRE - non owner occupied \| Accounting Standards Update 2016-13
Balance	11,428
Commercial Portfolio Segment [Member]
Balance	35,421	$ 16,072	16,420
Provision for credit losses		22,899	3,666
Reclassification of allowance for loans and leases relating to assets held for sale.			(2,814)
Charged off		(4,199)	(1,476)
Recoveries		649	276
Balance	29,889	$ 35,421	16,072
Allowance as a percentage of impaired loans/leases		12.08%
Allowance as a percentage of nonimpaired loans/leases		2.02%
Total allowance as a percentage of total loans/leases		2.05%
Commercial Portfolio Segment [Member] \| Accounting Standards Update 2016-13
Balance	(35,421)
Commercial Portfolio Segment [Member] \| C&I - revolving
Balance	3,907
Commercial Portfolio Segment [Member] \| C&I - other
Provision for credit losses	(1,451)
Charged off	(2,287)
Recoveries	590
Balance	25,982
Commercial Portfolio Segment [Member] \| C&I - other \| Accounting Standards Update 2016-13
Balance	29,130
Commercial Real Estate Portfolio Segment [Member]
Balance	42,161	$ 15,379	17,719
Provision for credit losses		28,671	1,566
Reclassification of allowance for loans and leases relating to assets held for sale.			(2,392)
Charged off		(2,071)	(1,722)
Recoveries		182	208
Balance		$ 42,161	15,379
Allowance as a percentage of impaired loans/leases		25.88%
Allowance as a percentage of nonimpaired loans/leases		1.92%
Total allowance as a percentage of total loans/leases		2.00%
Commercial Real Estate Portfolio Segment [Member] \| Accounting Standards Update 2016-13
Balance	(42,161)
Commercial Real Estate Portfolio Segment [Member] \| C&I - revolving
Provision for credit losses	925
Balance	3,907
Commercial Real Estate Portfolio Segment [Member] \| C&I - revolving \| Accounting Standards Update 2016-13
Balance	2,982
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Commercial Real Estate Loans [Member]
Balance	8,501
Commercial Real Estate Portfolio Segment [Member] \| CRE - non owner occupied
Balance	8,549
Construction and Land Development [Member]
Provision for credit losses	4,973
Balance	16,972
Construction and Land Development [Member] \| Accounting Standards Update 2016-13
Balance	11,999
Multi-family
Provision for credit losses	3,653
Charged off	(150)
Balance	9,339
Multi-family \| Accounting Standards Update 2016-13
Balance	5,836
Direct financing leases
Balance	1,764	$ 1,464	1,792
Provision for credit losses		2,148	1,129
Charged off		(1,993)	(1,647)
Recoveries		145	190
Balance	1,546	$ 1,764	1,464
Allowance as a percentage of nonimpaired loans/leases		2.70%
Total allowance as a percentage of total loans/leases		2.67%
Direct financing leases \| Accounting Standards Update 2016-13
Balance	(1,764)
Direct financing leases \| C&I - other
Provision for credit losses	(703)
Charged off	458
Recoveries	258
Balance	1,780
Direct financing leases \| C&I - other \| Accounting Standards Update 2016-13
Balance	685
Residential real estate
Balance	3,732	$ 1,948	2,557
Provision for credit losses		1,755	163
Reclassification of allowance for loans and leases relating to assets held for sale.			(628)
Charged off			(191)
Recoveries		29	47
Balance		$ 3,732	1,948
Allowance as a percentage of impaired loans/leases		2.05%
Allowance as a percentage of nonimpaired loans/leases		1.48%
Total allowance as a percentage of total loans/leases		1.48%
Residential real estate \| Accounting Standards Update 2016-13
Balance	(3,732)
1-4 family real estate
Provision for credit losses	(603)
Charged off	(179)
Recoveries	281
Balance	4,541
1-4 family real estate \| Accounting Standards Update 2016-13
Balance	5,042
Consumer
Balance	1,298
Provision for credit losses	(509)
Charged off	(46)
Recoveries	324
Balance	930	$ 1,298
Consumer \| Accounting Standards Update 2016-13
Balance	(137)
Installment and other consumer loans
Balance	$ 1,298	1,138	1,359
Provision for credit losses		231	114
Reclassification of allowance for loans and leases relating to assets held for sale.			(288)
Charged off		(120)	(98)
Recoveries		49	51
Balance		$ 1,298	$ 1,138
Allowance as a percentage of impaired loans/leases		35.12%
Allowance as a percentage of nonimpaired loans/leases		1.35%
Total allowance as a percentage of total loans/leases		1.42%

Reclassification of allowance for loans and leases relating to assets held for sale.

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The percentage of allowance on loans leases collectively evaluated for impairment.

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The percentage of allowance on loans leases.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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