XML 84 R70.htm IDEA: XBRL DOCUMENT v3.3.1.900
Subordinated Debt (Details Textual) - USD ($)
 12 Months Ended
Jun. 28, 2013
Dec. 31, 2015
Oct. 20, 2015
Debt Instrument [Line Items]      
Warrants (in shares) 48,750    
Exercise price (in shares) $ 19.33    
Warrant exercise price description   The warrant became exercisable on June 28, 2014, and, unless previously exercised, will expire on June 28, 2021. The Company has the right to force an exercise of the warrant after the debenture has been repaid in full if the 20-day volume-weighted average price of a share of its common stock exceeds $30.00.  
Weighted average share price period (in days) 20 days    
Weighted average price (in dollars per share) $ 30.00    
Fair value of warrant (in dollars per share) $ 255,000    
Risk-free interest date (as a percent) 0.66%    
Expected dividend yield (as a percent) 1.19%    
Expected volatility (as a percent) 34.00%    
Expected term (in years) 3 years    
8% Debenture Due 2021 | Subordinated Debt      
Debt Instrument [Line Items]      
Principal amount $ 3,000,000    
Annual rate (as a percent) 8.00%    
Maturity date Jun. 28, 2021    
Maturity date range, start Jun. 28, 2016    
6.4375% Notes Due 2025 | Subordinated Debt      
Debt Instrument [Line Items]      
Principal amount     $ 10,000,000.0
Annual rate (as a percent)     6.4375%