Capital Stock and Equity Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement, Noncash Expense [Abstract]

Schedule of Shares of Capital Stock Reserved for Possible Future Issuance

Shares of capital stock reserved for possible future issuance were as follows:

	As of December 31,
	2022	2021
Shares reserved for issuance under outstanding restricted stock unit awards	255,310	320,381
Deferred compensation to be paid in stock, including deferred stock units	6,850	9,500
Additional shares reserved for issuance under Rogers Corporation 2019 Long-Term Equity Compensation Plan	914,439	869,516
Shares reserved for issuance under the Rogers Corporation Global Stock Ownership Plan for Employees(1)	59,611	65,163
Total	1,236,210	1,264,560

(1) This is an employee stock purchase plan within the meaning of Section 432(b) of the Internal Revenue Code of 1986, as amended, that was suspended as of December 31, 2021, pursuant to the then-pending merger agreement with DuPont.

Schedule of Weighted-Average Assumptions Used

Below were the assumptions used in the Monte Carlo calculation for each material award granted in 2021 and 2020:

	February 10, 2021	February 12, 2020
Expected volatility	51.0%	41.0%
Expected term (in years)	2.9	2.9
Risk-free interest rate	0.18%	1.41%

Schedule of Restricted Stock And Restricted Stock Activity

A summary of activity of the outstanding performance-based restricted stock units for 2021 and 2020 is presented below:

	2022			2021			2020
	Awards Outstanding	Weighted- Average Grant Date Fair Value		Awards Outstanding	Weighted- Average Grant Date Fair Value		Awards Outstanding	Weighted- Average Grant Date Fair Value
Awards outstanding as of January 1	114,554	$	196.23	111,059	$	170.84	106,943	$	161.33
Awards granted	26,819	176.33		41,507	258.17		87,244	131.99
Stock issued	(60,053)	179.72		—	—		(75,486)	111.54
Awards forfeited	(15,807)	204.69		(38,012)	189.69		(7,642)	179.89
Awards outstanding as of December 31	65,513	$	201.18	114,554	$	196.23	111,059	$	170.84

A summary of activity of the outstanding time-based restricted stock units for 2022, 2021 and 2020 is presented below:

	2022			2021			2020
	Awards Outstanding	Weighted- Average Grant Date Fair Value		Awards Outstanding	Weighted- Average Grant Date Fair Value		Awards Outstanding	Weighted- Average Grant Date Fair Value
Awards outstanding as of January 1	96,989	$	157.49	102,142	$	120.16	101,685	$	122.68
Awards granted	96,620	219.60		50,640	180.19		58,807	116.87
Stock issued	(48,253)	183.00		(46,329)	146.45		(50,868)	111.16
Awards forfeited	(21,072)	223.90		(9,464)	146.58		(7,482)	122.87
Awards outstanding as of December 31	124,284	$	194.60	96,989	$	157.49	102,142	$	120.16

A summary of activity of the outstanding deferred stock units for 2022, 2021 and 2020 is presented below:

	2022			2021			2020
	Awards Outstanding	Weighted- Average Grant Date Fair Value		Awards Outstanding	Weighted- Average Grant Date Fair Value		Awards Outstanding	Weighted- Average Grant Date Fair Value
Awards outstanding as of January 1	9,500	$	173.82	12,450	$	113.96	7,150	$	170.89
Awards granted	4,800	272.12		6,450	188.60		10,400	108.88
Stock issued	(7,450)	183.20		(9,400)	104.68		(5,100)	183.40
Awards outstanding as of December 31	6,850	$	232.51	9,500	$	173.82	12,450	$	113.96