Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans - Loans by Performance Status (Details)

v3.10.0.1
Note 5 - Loans - Loans by Performance Status (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Financing receivable, gross $ 6,363,531 $ 5,851,261
Performing Financial Instruments [Member]    
Financing receivable, gross 6,348,664 5,840,436
Nonperforming Financial Instruments [Member]    
Financing receivable, gross 14,867 10,825
Commercial Real Estate Portfolio Segment [Member]    
Financing receivable, gross 2,478,788 2,279,366
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member]    
Financing receivable, gross 2,469,980 2,269,642
Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]    
Financing receivable, gross 8,808 9,724
Real Estate Portfolio Segment[Member]    
Financing receivable, gross 3,277,525 2,928,808
Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Financing receivable, gross 543,611 580,874
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 1,430,111 1,328,666
Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Financing receivable, gross 610,460 603,063
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]    
Financing receivable, gross 1,236,954 997,079
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member]    
Financing receivable, gross 3,271,531 2,927,793
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member]    
Financing receivable, gross 543,611 580,874
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 1,429,958 1,328,110
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member]    
Financing receivable, gross 609,658 602,604
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member]    
Financing receivable, gross 1,231,915 997,079
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member]    
Financing receivable, gross 5,994 1,015
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member]    
Financing receivable, gross
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 153 556
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member]    
Financing receivable, gross 802 459
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member]    
Financing receivable, gross 5,039
Consumer Portfolio Segment [Member]    
Financing receivable, gross 63,607 62,213
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]    
Financing receivable, gross 63,542 62,127
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]    
Financing receivable, gross $ 65 $ 86