OPTIONS AND AWARDS - OPTIONS GRANTED (Details) - The Ensign Plans shares in Thousands	3 Months Ended	12 Months Ended
Dec. 31, 2019 $ / shares shares	Dec. 31, 2019 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares) \| shares	667
2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares) \| shares		667
Weighted average exercise price (in dollars per share) \| $ / shares	$ 15.23	$ 15.23
Weighted average fair value of options (in dollars per share) \| $ / shares		$ 5.7
2019 \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average risk-free rate		1.60%
Expected life		6 years 6 months
Weighted average volatility		34.60%
Weighted average dividend yield		0.00%

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

+ References

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- Definition

Rate of weighted-average expected volatility for award under share-based payment arrangement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.D.2)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

+ References

No definition available.

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