Share based compensation arrangement by share based payment award maximum purchase of common stock value per employee.

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Issued Upon Vesting Based On Core Return, Percentage

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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- Definition

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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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

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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- Definition

Amount of noncash expense for share-based payment arrangement.

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-Publisher FASB
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-Topic 230
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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

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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

The highest quantity of shares an employee can purchase under the plan per period.

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- Definition

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

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- Definition

Number of shares issued under share-based payment arrangement.

+ References

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

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Stock-based compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost related to nonvested awards	$ 10,214	$ 7,089	$ 7,207
Dividends declared not paid on restricted stock units	$ 238	$ 149	226
2016-LTIP Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for issuable (in shares)	2,240,434	2,377,574
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for issuance (in shares)	2,379,006	2,409,185
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of restricted stock units vested and released	$ 5,619	$ 9,923	$ 4,562
Weighted average grant date fair value price of restricted stock granted (in USD per share)	$ 31.35	$ 34.08	$ 39.55
Compensation cost related to nonvested awards	$ 9,213	$ 7,089	$ 7,436
Awards granted (in shares)	420,521,000
Forfeitures (in shares)	22,132,000
Vesting (in shares)	177,581,000
RSUs \| Independent Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost related to nonvested awards	$ 898	724	$ 645
Stock-Settled EBI Units and RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to nonvested awards	$ 13,436
Expected weighted-average period to be recognized	2 years 6 months
Dividends declared not paid on restricted stock units	$ 613	$ 375
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost related to nonvested awards	1,001
Unrecognized compensation cost related to nonvested awards	$ 2,482
Expected weighted-average period to be recognized	2 years 1 month 6 days
Criteria period	3 years
Vesting period	3 years
Awards granted (in shares)	53,147
Award vesting, percentage	181.00%
Forfeitures (in shares)	0
Vesting (in shares)	0
Employee Stock \| ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for issuable (in shares)	200,000
Purchase price percentage of subsequent offering periods	95.00%
Maximum number of shares per participant (in shares)	725
Maximum worth of award per participant	$ 25
Shares issued under plan (in shares)	30,179,000	23,171,000
Minimum \| PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Core return threshold percentages	0.00%
Maximum \| PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Core return threshold percentages	200.00%