XML 49 R39.htm IDEA: XBRL DOCUMENT v3.25.0.1

Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2024

Summary of Stock-Based Compensation Expense

The following table summarizes the Company’s stock-based compensation expense (in thousands):

		Year Ended December 31,
		2024				2023				2022
Time-based restricted stock units		$	5,059			$	3,897			$	3,783
Performance-based restricted stock units			5,888				4,836				540
Stock appreciation rights			1,359				908				792
Employee stock purchase plan			329				523				214
Total stock-based compensation		$	12,635			$	10,164			$	5,329

Summary of Assumptions Used to Estimate Fair Value of Each SAR

For SARs issued in the years ended December 31, 2024, December 31, 2023, and December 31, 2022, respectively, the assumptions shown in the following table were used:

		Year Ended December 31,
		2024				2023				2022
Dividend yield			0	%			0	%			0	%
Average risk-free interest rate			4.3	%			4.0	%			1.9	%
Expected term (years)			5				5				5
Expected volatility			51.2	%			49.5	%			44.9	%

SAR Activity

SAR activity under the Plan and all predecessor stock incentive plans is as follows:

		SARs				Weighted- Average Grant Price Per Share				Weighted- Average Remaining Contractual Life (Years)				Aggregate Intrinsic Value as of December 31, 2024
Outstanding at December 31, 2021			200,998			$	33.86
Granted			32,971			$	82.01
Exercised			—			$	—
Canceled			—			$	—
Outstanding at December 31, 2022			233,969			$	40.64
Granted			51,916			$	56.80
Exercised			(53,036	)		$	11.95
Canceled			(12,969	)		$	75.25
Outstanding at December 31, 2023			219,880			$	49.34
Granted			33,277			$	90.86
Exercised			(58,767	)		$	35.77
Canceled			(4,142	)		$	89.99
Outstanding at December 31, 2024			190,248			$	59.91				6.3			$	3,145,845
Vested at December 31, 2024			122,598			$	51.41				5.1			$	2,794,991
Exercisable at December 31, 2024			122,598			$	51.41				5.1			$	2,794,991

Time-Based Restricted Stock Units [Member]

Restricted Stock Unit Activity

Time-based restricted stock unit activity under the Plan and all predecessor stock incentive plans is as follows:

		Time-based Restricted Stock Unit				Weighted- Average Grant Price Per Share
Nonvested at December 31, 2021			111,546			$	52.91
Granted			57,094			$	75.06
Vested			(56,719	)		$	58.13
Forfeited			(1,286	)		$	86.84
Nonvested at December 31, 2022			110,635			$	61.28
Granted			97,177			$	58.50
Vested			(81,080	)		$	56.52
Forfeited			(10,228	)		$	66.19
Nonvested at December 31, 2023			116,504			$	65.00
Granted			62,348			$	87.53
Vested			(64,261	)		$	71.29
Forfeited			(396	)		$	75.72
Nonvested at December 31, 2024			114,195			$	74.03

Performance-Based Restricted Stock Units [Member]

Restricted Stock Unit Activity

Performance-based restricted stock unit activity under the Plan is as follows:

		Performance- based Restricted Stock Units				Weighted- Average Grant Price Per Share
Nonvested at December 31, 2021			57,768			$	71.21
Granted			72,152			$	76.14
Vested			(57,875	)		$	64.43
Forfeited			(562	)		$	82.95
Nonvested at December 31, 2022			71,483			$	81.57
Granted			96,103			$	56.79
Vested			(30,038	)		$	66.26
Forfeited			(28,163	)		$	74.39
Nonvested at December 31, 2023			109,385			$	65.92
Granted			80,159			$	81.23
Vested			(67,710	)		$	63.83
Forfeited			(13,390	)		$	104.56
Nonvested at December 31, 2024			108,444			$	75.57

X

- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Subparagraph (c)
-Paragraph 2
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_NonvestedRestrictedStockSharesActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock appreciation rights awards that were outstanding at the beginning and end of the year, and the number of stock appreciation rights awards that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (f)(2)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=trex_TimeBasedRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AwardTypeAxis=trex_PerformanceBasedRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: