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Share Based Compensation - Narrative (Details)	1 Months Ended	12 Months Ended
	Oct. 31, 2016 $ / Unit	Dec. 31, 2019	Feb. 28, 2017 shares	Oct. 04, 2016 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)				4,600,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of recognition for unrecognized costs		1 year 3 months 18 days
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance share plan, conversion to common stock (in shares)			1
Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value | $ / Unit	100
Minimum | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		1 year
Maximum | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		3 years

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- Definition

Employee Incentive Plan, Performance Units, Grants in Period, Weighted Average Grant Date Value

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Conversion Ratio

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for 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
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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Number of shares authorized for issuance under share-based payment arrangement.

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