v3.5.0.2
Loans - Summary of Delinquent and Nonaccrual Loans (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual $ 18,853 $ 18,939
90 Days or More Past Due and Still Accruing 3,916 8,497
Nonaccrual Past Due and Still Accruing 9,406 4,136
Current 2,287,518 1,746,530
Total loans $ 2,306,371 $ 1,765,469
Percentage of Total Loans Due 30-59 Days 0.24% 0.26%
Percentage of Total Loans Due 60-89 Days   0.09%
Percentage of Total Loans Due 90 Days or More 0.17% 0.48%
Percentage of Total Loans Due Nonaccrual 0.41% 0.23%
Percentage of Total Loans 0.82% 1.07%
Residential Properties    
Accounts Notes And Loans Receivable [Line Items]    
Total loans $ 1,563,807 $ 1,160,568
Commercial Real Estate    
Accounts Notes And Loans Receivable [Line Items]    
Total loans 459,703 358,791
Commercial and Industrial Loans    
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual 11,470 12,286
90 Days or More Past Due and Still Accruing 3,136 5,713
Nonaccrual Past Due and Still Accruing 4,184 2,509
Current 217,109 184,298
Total loans 228,579 196,584
Consumer Loans    
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual 32 3,076
90 Days or More Past Due and Still Accruing   1,991
Nonaccrual Past Due and Still Accruing 14 75
Current 34,216 34,130
Total loans 34,248 37,206
30-59 Days    
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual 5,526 4,667
30-59 Days | Commercial and Industrial Loans    
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual 4,145 2,425
30-59 Days | Consumer Loans    
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual 18 1,010
60-89 Days    
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual 5 1,639
60-89 Days | Commercial and Industrial Loans    
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual 5 1,639
Real Estate Loans    
Accounts Notes And Loans Receivable [Line Items]    
Total loans 2,043,544 1,531,679
Real Estate Loans | Residential Properties    
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual 4,021  
Nonaccrual Past Due and Still Accruing 4,021  
Current 1,559,786 1,160,568
Total loans 1,563,807 1,160,568
Real Estate Loans | Commercial Real Estate    
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual 3,330 3,577
90 Days or More Past Due and Still Accruing 780 793
Nonaccrual Past Due and Still Accruing 1,187 1,552
Current 456,373 355,214
Total loans 459,703 358,791
Real Estate Loans | 30-59 Days | Commercial Real Estate    
Accounts Notes And Loans Receivable [Line Items]    
Total Past Due and Nonaccrual 1,363 1,232
Real Estate Loans | Land and Construction    
Accounts Notes And Loans Receivable [Line Items]    
Current 20,034 12,320
Total loans $ 20,034 $ 12,320