Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Details Narrative)

v3.10.0.1
STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Payment of dividends     $ 91,677 $ 75,182  
Dividends paid (in dollars per share) $ 0.14 $ 0.12 $ 0.42 $ 0.35  
Number of shares repurchased (in shares)     0 0  
Repurchase of common stock $ 200 $ 500 $ 9,533 $ 8,200 $ 8,246
Common stock reserved for issuance (in shares) 6,000,000   6,000,000    
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized compensation cost $ 43,200   $ 43,200   $ 32,900
Unrecognized compensation cost, period for recognition     4 years 1 month 6 days   3 years 10 months 24 days