Restricted Stock Units, Conversion Rate Earned, Percentage

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Represents the rate at which performance restricted stock units will convert into shares of common stock following the performance period.

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Represents the rate at which performance restricted stock units will convert into restricted shares following the performance period.

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No definition available.

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

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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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No definition available.

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

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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

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 non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

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

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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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- Definition

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

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No definition available.

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Number of options outstanding, including both vested and non-vested options.

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Equity Compensation Plans (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands			3 Months Ended		9 Months Ended
	Sep. 30, 2020	Feb. 10, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options outstanding	16		16	22	16	22
Number of options granted					0	0
Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued		175
Fair value of restricted shares/RSUs vested					$ 2,962
Equity Instruments, Nonvested [Roll Forward]
Balance at the beginning of the period (in shares)					535
Shares/RSUs granted (in shares)					624
Shares/RSUs vested (in shares)					(291)
Balance at the end of the period (in shares)	868		868	660	868	660
Equity Instruments, Nonvested, Weighted Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share)					$ 12.46
Shares/RSUs granted (in dollars per share)					11.66
Shares/RSUs vested (in dollars per share)					12.76
Balance at the end of the period (in dollars per share)	$ 11.78		$ 11.78		$ 11.78
Compensation Cost Not Yet Recognized
Total unrecognized compensation expense	$ 3,326		$ 3,326		$ 3,326
Unrecognized compensation expense, period for recognition (in years)	1 year 2 months 12 days
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for shares/RSUs granted					1 year
Risk-free interest rate (as a percent)					1.54%
Common stock dividend yield (as a percent)					5.07%
Conversion rate of RSUs into shares of common stock (as a percent)					33.00%
Conversion rate of RSUs into restricted shares (as a percent)					67.00%
Number of RSUs converted		196
Conversion rate (as a percent)		142.50%
Fair value of restricted shares/RSUs vested					$ 1,321
Equity Instruments, Nonvested [Roll Forward]
Balance at the beginning of the period (in shares)					839
Shares/RSUs granted (in shares)					331
Shares/RSUs vested (in shares)					(196)
Balance at the end of the period (in shares)	974		974		974
Equity Instruments, Nonvested, Weighted Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share)					$ 13.10
Shares/RSUs granted (in dollars per share)					13.67
Shares/RSUs vested (in dollars per share)					15.52
Balance at the end of the period (in dollars per share)	$ 12.81		$ 12.81		$ 12.81
Compensation Cost Not Yet Recognized
Total unrecognized compensation expense	$ 5,928		$ 5,928		$ 5,928
Unrecognized compensation expense, period for recognition (in years)	2 years
Restricted shares and RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense			$ 2,280	$ 1,849	6,734	$ 5,672
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense					$ 0	$ 0
Minimum \| Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for shares/RSUs granted					10 months 24 days
Maximum \| Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for shares/RSUs granted					3 years
Class A common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued		105
Dividends \| Class A common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued		43