XML 83 R42.htm IDEA: XBRL DOCUMENT v3.7.0.1
Summary of Significant Accounting Policies (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
branches
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Significant Accounting Policies [Line Items]        
Number of full service offices | branches   22    
Transfer of securities from available-for-sale to held-to-maturity $ 8,500,000 $ 23,100,000 $ 0 $ 31,000,000
Real Estate - owner-occupied percentage minimum for collateral   50.00%    
Foreclosed assets   $ 362,000 0  
Tax benefit from exercise of stock options   $ 30,000 $ 6,000 $ 7,000
Maximum | Core deposits        
Significant Accounting Policies [Line Items]        
Estimated useful life of intangible asset   10 years    
Premises | Minimum        
Significant Accounting Policies [Line Items]        
Estimated useful lives of premises and equipment   20 years    
Premises | Maximum        
Significant Accounting Policies [Line Items]        
Estimated useful lives of premises and equipment   40 years    
Leasehold improvements, furniture, fixtures and equipment | Minimum        
Significant Accounting Policies [Line Items]        
Estimated useful lives of premises and equipment   3 years    
Leasehold improvements, furniture, fixtures and equipment | Maximum        
Significant Accounting Policies [Line Items]        
Estimated useful lives of premises and equipment   10 years