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STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]
Shares issued under share-based compensation plans (in shares)	915,710	556,655	203,575

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- Definition

Number, after shares used to satisfy grantee's tax withholding obligation for award under share-based payment arrangement, of restricted shares issued. Excludes cash used to satisfy grantee's tax withholding obligation.

+ References

No definition available.

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Period Type:	duration

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- References

No definition available.

+ Details

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