XML 79 R65.htm IDEA: XBRL DOCUMENT v3.10.0.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - STOCK-BASED COMPENSATION (Details) - shares
1 Months Ended 12 Months Ended
Apr. 23, 2014
Apr. 30, 2011
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2009
STOCK-BASED COMPENSATION          
Stock options and stock appreciation rights outstanding (in shares)     165,032 169,775  
2001 Stock Option Plan          
STOCK-BASED COMPENSATION          
Shares authorized for issuance         500,000
Amended and Restated 2010 Equity Incentive Plan          
STOCK-BASED COMPENSATION          
Shares authorized for issuance 450,000   702,000    
Number of additional shares authorized 240,000        
Maximum award per participant     50,000    
Period after adoption that plan expires     10 years    
Second Amended and Restated 2010 Equity Incentive Plan          
STOCK-BASED COMPENSATION          
Shares authorized for issuance     720,000    
Stock Option Awards | 2001 Stock Option Plan          
STOCK-BASED COMPENSATION          
Awards available for issue ( in shares)         0
Vesting period   5 years      
Period of expiration from grant date   10 years