Condensed Financial Statements - Parent Company Only (Schedule of Condensed Balance Sheet) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Feb. 13, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Assets          
Total assets $ 1,143,332   $ 1,082,878    
Liabilities and Stockholders' Equity          
Subordinated notes - 6.25% 23,000        
Total liabilities 1,043,549   966,319    
Stockholders' Equity          
Preferred stock, value   $ 20,000 20,000    
Common stock 46   47    
Additional paid in capital 46,809   46,416    
Retained earnings 53,495   50,936    
Accumulated other comprehensive income (251)   (378) $ (1,057) $ 139
Unearned ESOP shares (316)   (462)    
Total stockholders' equity 99,783   116,559 $ 110,730 $ 79,047
Total Liabilities and Stockholders' Equity 1,143,332   1,082,878    
Parent Company [Member]          
Assets          
Cash - noninterest bearing 1,541   1,064    
Investment in wholly owned subsidiaries 132,943   127,210    
Other assets 1,895   1,423    
Total assets 136,379   129,697    
Liabilities and Stockholders' Equity          
Current liabilities 1,224   766    
Guaranteed preferred beneficial interest in junior subordinated debentures 12,372   12,372    
Subordinated notes - 6.25% 23,000        
Total liabilities 36,596   13,138    
Stockholders' Equity          
Preferred stock, value     20,000    
Common stock 46   47    
Additional paid in capital 46,809   46,416    
Retained earnings 53,495   50,936    
Accumulated other comprehensive income (251)   (378)    
Unearned ESOP shares (316)   (462)    
Total stockholders' equity 99,783   116,559    
Total Liabilities and Stockholders' Equity $ 136,379   $ 129,697