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PER SHARE OF COMMON STOCK (Tables)
12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted The calculation of basic and diluted net income per share is determined using net income applicable to common stockholders as the numerator and the number of shares included in the denominator as follows (in thousands, except per share amounts):
 
Year Ended December 31,
 
2019
 
2018
 
2017
Basic net income per share:
 
 
 
 
 
Net income applicable to common stockholders
$
89,575

 
$
69,421

 
$
111,422

Weighted average common shares outstanding
54,695

 
56,996

 
59,358

Basic net income per share
$
1.64

 
$
1.22

 
$
1.88

 
 
 
 
 
 
Diluted net income per share:
 
 
 
 
 
Net income applicable to common stockholders
$
89,575

 
$
69,421

 
$
111,422

 
 
 
 
 
 
Weighted average common shares outstanding
54,695

 
56,996

 
59,358

Dilutive shares from assumed conversion of convertible senior notes

 
455

 
1,726

Dilutive stock options and restricted stock
595

 
979

 
1,515

Diluted weighted average common shares outstanding
55,290

 
58,430

 
62,599

Diluted net income per share
$
1.62

 
$
1.19

 
$
1.78