Note 4 - Loans Leases Receivable - Loans Leases Nonperforming Loans Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Loans and Leases Receivable, Net of Deferred Income	$ 4,680,132	$ 4,243,791
Percentage of Total NPLs	100.00%	100.00%
C&I - other
Loans and Leases Receivable, Net of Deferred Income	$ 4,640
C&I - revolving
Loans and Leases Receivable, Net of Deferred Income	248,483
Nonperforming Financial Instruments [Member]
Accruing Past Due 90 Days or More	1	$ 3
Nonaccrual Loans/Leases	1,757	13,940
Nonaccrual Loans/Leases without an Allowance for Credit Losses	1,002
Accruing TDRs		741
Loans and Leases Receivable, Net of Deferred Income	$ 2,760	$ 14,684
Percentage of Total NPLs	100.00%	100.00%
Nonperforming Financial Instruments [Member] \| C&I - other
Accruing Past Due 90 Days or More	$ 1
Nonaccrual Loans/Leases	1,130
Nonaccrual Loans/Leases without an Allowance for Credit Losses	270
Loans and Leases Receivable, Net of Deferred Income	$ 1,401
Percentage of Total NPLs	50.77%
Commercial Portfolio Segment [Member]
Loans and Leases Receivable, Net of Deferred Income	$ 1,595,085	$ 1,726,723
Commercial Portfolio Segment [Member] \| C&I - other
Loans and Leases Receivable, Net of Deferred Income	1,346,602
Commercial Portfolio Segment [Member] \| C&I - revolving
Loans and Leases Receivable, Net of Deferred Income	248,483	1,726,723
Commercial Portfolio Segment [Member] \| Construction Loans [Member]
Loans and Leases Receivable, Net of Deferred Income	918,571	541,455
Commercial Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member]
Nonaccrual Loans/Leases		4,807
Accruing TDRs		606
Loans and Leases Receivable, Net of Deferred Income		$ 5,413
Percentage of Total NPLs		36.87%
Commercial Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member] \| C&I - other
Loans and Leases Receivable, Net of Deferred Income	1,340
Commercial Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member] \| CRE - non owner occupied
Nonaccrual Loans/Leases		$ 7,488
Loans and Leases Receivable, Net of Deferred Income		$ 7,488
Percentage of Total NPLs		50.99%
Commercial Real Estate Portfolio Segment [Member]
Loans and Leases Receivable, Net of Deferred Income		$ 2,107,629
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Commercial Real Estate Loans [Member]
Loans and Leases Receivable, Net of Deferred Income	421,701	496,471
Commercial Real Estate Portfolio Segment [Member] \| CRE - non owner occupied
Loans and Leases Receivable, Net of Deferred Income	646,500
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans and Leases Receivable, Net of Deferred Income		541,455
Commercial Real Estate Portfolio Segment [Member] \| Other Non-owner Occupied Commercial Real Estate Loans [Member]
Loans and Leases Receivable, Net of Deferred Income		1,069,703
Commercial Real Estate Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member] \| Owner Occupied Commercial Real Estate Loans [Member]
Nonaccrual Loans/Leases		12
Loans and Leases Receivable, Net of Deferred Income		$ 12
Percentage of Total NPLs		0.08%
Construction and Land Development [Member] \| Construction Loans [Member]
Loans and Leases Receivable, Net of Deferred Income	918,571
Construction and Land Development [Member] \| Nonperforming Financial Instruments [Member] \| C&I - other
Loans and Leases Receivable, Net of Deferred Income	73
Construction and Land Development [Member] \| Nonperforming Financial Instruments [Member] \| Construction Loans [Member]
Nonaccrual Loans/Leases	73
Loans and Leases Receivable, Net of Deferred Income	$ 73
Percentage of Total NPLs	2.64%
Multi-family
Loans and Leases Receivable, Net of Deferred Income	$ 600,412
Direct financing leases
Loans and Leases Receivable, Net of Deferred Income	45,191	$ 66,016
Direct financing leases \| Nonperforming Financial Instruments [Member]
Nonaccrual Loans/Leases	115	406
Nonaccrual Loans/Leases without an Allowance for Credit Losses	732
Accruing TDRs		135
Loans and Leases Receivable, Net of Deferred Income	$ 847	$ 541
Percentage of Total NPLs	30.69%	3.68%
1-4 family real estate
Loans and Leases Receivable, Net of Deferred Income	$ 377,361
1-4 family real estate \| Nonperforming Financial Instruments [Member]
Nonaccrual Loans/Leases	408
Loans and Leases Receivable, Net of Deferred Income	$ 408
Percentage of Total NPLs	14.78%
Residential real estate
Loans and Leases Receivable, Net of Deferred Income		$ 252,121
Residential real estate \| Other Non-owner Occupied Commercial Real Estate Loans [Member]
Loans and Leases Receivable, Net of Deferred Income		1,069,703
Residential real estate \| Nonperforming Financial Instruments [Member]
Nonaccrual Loans/Leases		1,022
Loans and Leases Receivable, Net of Deferred Income		$ 1,022
Percentage of Total NPLs		6.96%
Consumer
Loans and Leases Receivable, Net of Deferred Income	$ 75,311	$ 91,302
Consumer \| Nonperforming Financial Instruments [Member]
Nonaccrual Loans/Leases	31
Loans and Leases Receivable, Net of Deferred Income	$ 31
Percentage of Total NPLs	1.12%
Installment and other consumer loans
Loans and Leases Receivable, Net of Deferred Income		91,302
Installment and other consumer loans \| Nonperforming Financial Instruments [Member]
Accruing Past Due 90 Days or More		3
Nonaccrual Loans/Leases		205
Loans and Leases Receivable, Net of Deferred Income		$ 208
Percentage of Total NPLs		1.42%

Amount of financing receivable modified as troubled debt restructuring.

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