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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Schedule of allocated stock-based compensation

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Three Months Ended

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Nine Months Ended

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September 30,

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September 30,

(in thousands)

2021

2020

2021

2020

Equity award expense

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$

2,900

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$

2,645

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$

8,741

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$

8,423

Liability award expense

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127

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243

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1,121

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537

Total stock-based compensation expense

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$

3,027

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$

2,888

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$

9,862

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$

8,960

Schedule of restricted stock, restricted stock unit, performance unit, cash settled restricted stock unit and cash settled performance unit activity

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​	​	​	​	​	​
​	​	​	​	Weighted
​	​	​	​	Average
​	​	​	​	Grant Date
​	​	​	​	Fair Value
(shares in thousands)		Shares		Per Share
Non-vested, December 31, 2020		2,446	​	$	9.69
Granted		1,287	​		11.20
Vested		(1,023)	​		9.95
Canceled		(72)	​		9.81
Non-vested, September 30, 2021 (1)		2,638	​		10.32

(1) Comprised of 523 cash-settled units and 2,115 stock-settled awards and units.

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- References

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- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ 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
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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