STOCKHOLDERS' EQUITY (Schedule of shares repurchased) (Details) - shares	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Treasury stock:
Balance, beginning of quarter	7,883,740	3,035,404	6,751,692	2,534,494
Repurchase of common stock, shares	3,603,951	1,689,892	4,735,999	2,190,802
Balance, end of quarter	11,487,691	4,725,296	11,487,691	4,725,296

Number of shares that have been repurchased during the period and are being held in treasury.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Period Type:	duration