Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans - Summary of Loans (Details)

v3.10.0.1
Note 5 - Loans - Summary of Loans (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Jun. 30, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Dec. 31, 2016
Financing receivable, gross $ 6,363,531   $ 5,851,261      
Less allowance for loan losses (66,879) $ (64,239) (59,406) [1] $ (58,459) $ (55,059) $ (51,893)
Net Loans $ 6,296,652   $ 5,791,855 [1]      
Financing receivable, gross, percentage 100.00%   100.00%      
Commercial Real Estate Portfolio Segment [Member]            
Financing receivable, gross $ 2,478,788   $ 2,279,366      
Less allowance for loan losses $ (39,101) (36,178) $ (32,880) (31,701) (29,127) (28,872)
Financing receivable, gross, percentage 38.95%   38.96%      
Real Estate Portfolio Segment[Member]            
Financing receivable, gross $ 3,277,525   $ 2,928,808      
Financing receivable, gross, percentage 51.51%   50.05%      
Real Estate Portfolio Segment[Member] | Construction Loans [Member]            
Financing receivable, gross $ 543,611   $ 580,874      
Less allowance for loan losses $ (3,934) (4,062) $ (4,989) (5,331) (5,138) (5,125)
Financing receivable, gross, percentage 8.54%   9.93%      
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]            
Financing receivable, gross $ 1,430,111   $ 1,328,666      
Financing receivable, gross, percentage 22.47%   22.71%      
Real Estate Portfolio Segment[Member] | One to Four Family [Member]            
Financing receivable, gross $ 610,460   $ 603,063      
Financing receivable, gross, percentage 9.60%   10.30%      
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]            
Financing receivable, gross $ 1,236,954   $ 997,079      
Financing receivable, gross, percentage 19.44%   17.04%      
Consumer Portfolio Segment [Member]            
Financing receivable, gross $ 63,607   $ 62,213      
Less allowance for loan losses $ (515) $ (561) $ (515) $ (461) $ (402) $ (392)
Financing receivable, gross, percentage 1.00%   1.06%      
[1] Derived from audited financial statements.