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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of allocated stock-based compensation

​

​	​	​	​	​	​	​
​	​	Three Months Ended
​	​	March 31,
(in thousands)		2021			2020
Equity awards	​	$	2,663	​	$	3,006
Liability awards	​		586	​		(548)
Total stock-based compensation expense	​	$	3,249	​	$	2,458

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

​

​	​	​	​	​	​
​	​	​	​	Weighted
​	​	​	​	Average
​	​	​	​	Grant Date
​	​	​	​	Fair Value
(shares in thousands)		Shares		Per Share
Non-vested awards, December 31, 2020		2,446	​	$	9.69
Granted		1,279	​		11.22
Vested		(594)	​		9.30
Canceled		(26)	​		9.80
Non-vested awards, March 31, 2021 (1)		3,105	​		10.39

(1) Non-vested awards as of March 31, 2021 are comprised of 611,000 cash-settled units and 2,494,000 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

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-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=115993241&loc=d3e301413-122809

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-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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- Definition

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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