Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans - Analysis of Allowance for Loans Losses by Portfolio Segment (Details)

v3.19.1
Note 5 - Loans - Analysis of Allowance for Loans Losses by Portfolio Segment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Balance, beginning of period $ 68,600 [1] $ 59,406  
Charge-offs (3,305) (1,557)  
Recoveries 27 62  
Provision 4,885 4,139  
Balance, end of period 70,207 62,050  
Individually Evaluated for Impairment 7,289 8,128  
Collectively Evaluated for Impairment 62,918 60,472  
Ending Balance 6,659,908 6,533,499 $ 6,533,499 [1]
Individually Evaluated for Impairment 36,793 38,591  
Collectively Evaluated for Impairment 6,623,115 6,494,908  
Commercial Real Estate Portfolio Segment [Member]      
Balance, beginning of period 39,016 32,880  
Charge-offs (3,037) (1,088)  
Recoveries 12 4  
Provision 3,468 3,991  
Balance, end of period 39,459 35,787  
Individually Evaluated for Impairment 5,192 6,066  
Collectively Evaluated for Impairment 34,267 32,950  
Ending Balance 2,522,136 2,513,225 2,513,225
Individually Evaluated for Impairment 18,197 18,444  
Collectively Evaluated for Impairment 2,503,939 2,494,781  
Real Estate Portfolio Segment[Member]      
Ending Balance 3,524,491   3,422,589
Real Estate Portfolio Segment[Member] | Construction Loans [Member]      
Balance, beginning of period 3,522 4,989  
Charge-offs  
Recoveries 1 7  
Provision 72 (858)  
Balance, end of period 3,595 4,138  
Individually Evaluated for Impairment 110 126  
Collectively Evaluated for Impairment 3,485 3,396  
Ending Balance 556,219 533,192 533,192
Individually Evaluated for Impairment 656 1,461  
Collectively Evaluated for Impairment 555,563 531,731  
Real Estate Portfolio Segment[Member] | Real Estate Loan [Member]      
Balance, beginning of period 25,508 21,022  
Charge-offs (50) (381)  
Recoveries 7 42  
Provision 1,246 923  
Balance, end of period 26,711 21,606  
Individually Evaluated for Impairment 1,987 1,887  
Collectively Evaluated for Impairment 24,724 23,621  
Ending Balance 3,524,491 3,422,589  
Individually Evaluated for Impairment 17,891 18,637  
Collectively Evaluated for Impairment 3,506,600 3,403,952  
Consumer Portfolio Segment [Member]      
Balance, beginning of period 554 515  
Charge-offs (218) (88)  
Recoveries 7 9  
Provision 99 83  
Balance, end of period 442 519  
Individually Evaluated for Impairment 49  
Collectively Evaluated for Impairment 442 505  
Ending Balance 57,062 64,493 $ 64,493
Individually Evaluated for Impairment 49 49  
Collectively Evaluated for Impairment $ 57,013 $ 64,444  
[1] Derived from audited financial statements.