Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Deferred Stock) (Details)

v3.10.0.1
STOCK-BASED COMPENSATION (Deferred Stock) (Details) - Market Based Stock Award [Member] - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Summary of Deferred Stock [Roll Forward]    
Unvested at beginning of period (in shares) 2,500 0
Granted (in shares) 0 2,500
Forfeited (in shares) 0 0
Vested (in shares) 0 0
Unvested at end of period (in shares) 2,500 2,500
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]    
Price, Unvested at beginning of period (in dollars per share) $ 26.69 $ 0
Price, Granted (in dollars per share) 0.00 26.69
Price, Forfeited (in dollars per share) 0 0
Price, Vested (in dollars per share) 0 0
Price, Unvested at end of period (in dollars per share) $ 26.69 $ 26.69
Deferred compensation arrangement, maximum contractual term   5 years
Deferred compensation arrangement, shares issued 200  
Deferred compensation arrangement, common stock reserved for future issuance 2,300  
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]    
Vesting period 1 year 1 year
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]    
Vesting period 4 years 5 years