XML 65 R60.htm IDEA: XBRL DOCUMENT v2.4.0.8
SHARE-BASED COMPENSATION (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Pretax stock based compensation cost $ 1,879,000 $ 1,767,000 $ 1,709,000
Percentage of increments earned for share awards (in hundredths) 25.00%    
Amortization period for market value of common stock awarded 5 years    
Restricted Stock [Member]
     
Shares [Roll Forward]      
Outstanding, beginning of period (in shares) 352,600    
Granted (in shares) 162,200    
Vested (in shares) (82,400)    
Forfeited (in shares) (20,050)    
Outstanding, end of period (in shares) 412,350    
Weighted Average Award Price [Roll Forward]      
Outstanding, beginning of period (in dollars per share) $ 18.83    
Granted (in dollars per share) $ 19.40    
Vested (in dollars per share) $ 19.84    
Forfeited (in dollars per share) $ 18.78    
Outstanding, end of period (in dollars per share) $ 18.85    
Weighted Average Remaining Contractual Term [Abstract]      
Outstanding 3 years    
Outstanding 3 years 4 months 24 days    
Pretax unrecognized compensation cost $ 5,400,000    
Period over which compensation cost is expected to be recognized 4 years 9 months 18 days    
Restricted Stock [Member] | Common Class B [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares issued (in shares) 162,200 130,000 128,300
2011 Equity Compensation Plan [Member] | Restricted Stock [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized under the plan (in shares) 1,400,000    
Common shares available for future issuance (in shares) 1,100,000