XML 62 R90.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
EMPLOYEE BENEFIT PLANS (Restrictive Stock Units) (Details) - Restricted Stock Units (RSUs)
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Unvested restricted stock at beginning of period (in shares) | shares 852
Granted (in shares) | shares 413
Vested (in shares) | shares (411)
Canceled (in shares) | shares 0
Unvested restricted stock at end of period (in shares) | shares 854
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]  
Unvested restricted stock at beginning of period (in dollars per share) | $ / shares $ 228.86
Granted (in dollars per share) | $ / shares 459.41
Vested (in dollars per share) | $ / shares 221.08
Canceled (in dollars per share) | $ / shares 0
Unvested restricted stock at end of period (in dollars per share) | $ / shares $ 344.10