Represents the current value of equity-based compensation awards not vested. Excludes stock and unit options.

No definition available.

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

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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.

+ References

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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- Definition

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

+ References

No definition available.

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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

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

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EQUITY-BASED COMPENSATION - Time-Based Restricted Stock Awards (Details) - Restricted Stock Awards - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Mar. 07, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Time-based restricted stock
Number of Shares
Non-vested at the beginning of year (in shares)		370,152	391,477
Granted (in shares)		235,407	185,930
Vested (in shares)		(154,801)	(205,619)
Forfeited (in shares)		(2,291)	(1,636)
Non-vested at end of year (in shares)		448,467	370,152	391,477
Weighted Average Grant Date Fair Value per Share
Non-vested at beginning of year (in dollars per share)		$ 13.40	$ 13.52
Granted (in dollars per share)		11.32	13.15
Vested (in dollars per share)		12.82	13.41
Forfeited (in dollars per share)		12.65	12.84
Non-vested at end of year (in dollars per share)		$ 12.51	$ 13.40	$ 13.52
Aggregate Current Value
Aggregate Current Value		$ 5,534
Total fair value of awards vested		$ 2,000	$ 2,800	$ 1,400
Performance-based restricted stock
Number of Shares
Non-vested at the beginning of year (in shares)		708,227	619,429
Granted (in shares)		302,327	397,808
Vested (in shares)		(89,097)	(309,010)
Forfeited (in shares)		(165,466)
Non-vested at end of year (in shares)		755,991	708,227	619,429
Weighted Average Grant Date Fair Value per Share
Non-vested at beginning of year (in dollars per share)		$ 14.75	$ 16.16
Granted (in dollars per share)	$ 13.73	12.81	15.69	$ 17.13
Vested (in dollars per share)		13.77	18.78
Forfeited (in dollars per share)		13.77
Non-vested at end of year (in dollars per share)		$ 14.31	$ 14.75	$ 16.16
Aggregate Current Value
Aggregate Current Value		$ 9,329
Vesting period		3 years
Employees \| Time-based restricted stock
Aggregate Current Value
Vesting period		4 years
Employees \| Period one \| Time-based restricted stock
Aggregate Current Value
Vesting percentage		20.00%
Employees \| Period two \| Time-based restricted stock
Aggregate Current Value
Vesting percentage		20.00%
Employees \| Period three \| Time-based restricted stock
Aggregate Current Value
Vesting percentage		20.00%
Employees \| Period four \| Time-based restricted stock
Aggregate Current Value
Vesting percentage		40.00%
Executive officers \| Time-based restricted stock
Aggregate Current Value
Vesting period		3 years
Executive officers \| Period one \| Time-based restricted stock
Aggregate Current Value
Vesting percentage		25.00%
Executive officers \| Period two \| Time-based restricted stock
Aggregate Current Value
Vesting percentage		25.00%
Executive officers \| Period three \| Time-based restricted stock
Aggregate Current Value
Vesting percentage		50.00%