Allocated Share-based Compensation Expense, Liability Classified Awards

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- Definition

Share Based Compensation, Multiplier for Target Award Based on Total Shareholder Return on Common Stock

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No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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.

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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

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.

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No definition available.

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

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No definition available.

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Stock-Based Compensation (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)			167,969
Share-based compensation expense	$ 3,600	$ 2,600	$ 9,800	$ 10,900
Liability classified awards (credit) expense	(1,100)	(200)	(600)	(2,600)
Accrued employee compensation and benefits	17,498		17,498		$ 23,904
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost not yet recognized	14,700		$ 14,700
Total compensation cost not yet recognized, period for recognition (in years)			1 year 1 month 6 days
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost not yet recognized	2,900		$ 2,900
Total compensation cost not yet recognized, period for recognition (in years)			1 year 3 months 18 days
Cash-settled Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	800			1,000
Liability classified awards (credit) expense		(200)	$ (100)
Accrued employee compensation and benefits	2,100		$ 2,100		2,300
LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)			3 years
Share-based compensation expense	300	$ 500	$ 700	$ 1,700
Accrued employee compensation and benefits	$ 2,100		$ 2,100		$ 2,900
LTIP \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Multiplier for target award based on total shareholder return on common stock (percent)			0.00%
LTIP \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Multiplier for target award based on total shareholder return on common stock (percent)			200.00%