Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Recently Adopted Accounting Pronouncements (Details Textual)

v3.21.1
Note 9 - Recently Adopted Accounting Pronouncements (Details Textual) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Retained Earnings (Accumulated Deficit), Ending Balance $ 788,875 $ 748,224 [1]      
Loans and Leases Receivable, Allowance, Ending Balance 94,906 87,942 [1] $ 85,414   $ 76,584
Deferred Income Tax Assets, Net, Total 32,126 31,072 [1]      
Loans and Leases Receivable, Gross, Total 8,504,980 8,465,688      
Commercial Real Estate Portfolio Segment [Member]          
Loans and Leases Receivable, Allowance, Ending Balance 38,232 36,370 48,780   43,666
Loans and Leases Receivable, Gross, Total 3,323,093 3,295,900      
Real Estate Portfolio Segment[Member]          
Loans and Leases Receivable, Gross, Total 4,453,095 4,511,304      
Real Estate Portfolio Segment[Member] | Construction Loans [Member]          
Loans and Leases Receivable, Allowance, Ending Balance 19,391 16,057 $ 3,757   $ 2,768
Loans and Leases Receivable, Gross, Total $ 666,592 $ 593,614      
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]          
Retained Earnings (Accumulated Deficit), Ending Balance       $ 1,100  
Loans and Leases Receivable, Allowance, Ending Balance       (2,000)  
Off-Balance Sheet, Credit Loss, Liability, Ending Balance       500  
Deferred Income Tax Assets, Net, Total       (400)  
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Commercial Real Estate Portfolio Segment [Member]          
Loans and Leases Receivable, Gross, Total       (8,200)  
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]          
Loans and Leases Receivable, Gross, Total       $ 6,200  
[1] derived from audited financial statements.