Stock-based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands				1 Months Ended				3 Months Ended
	Nov. 08, 2023 USD ($) shares	Aug. 19, 2022 $ / shares shares	May 02, 2022 $ / shares shares	Mar. 31, 2024 USD ($) shares	Jan. 31, 2024 shares	Jun. 30, 2022 shares	Apr. 30, 2022 USD ($)	Mar. 31, 2024 USD ($) trading_day $ / shares shares	Mar. 31, 2023 USD ($)	Dec. 31, 2020 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of stock options exercised | $								$ 200
Fair value of options vested | $								$ 300
Shares issued upon vesting of each RSU				1				1
Stock-based compensation expense | $								$ 44,465	$ 55,954
Freedom Photonics Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contingent stock consideration | $							$ 29,800	$ 15,400
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based arrangement awards (in shares)	825,000
Granted (in shares)								7,030,338
Annual performance goals weighted based on revenue, percentage	50.00%
Annual performance goals weighted based on free cash flow, percentage	50.00%
Revenue performance goal, value | $	$ 81,400
Free cash flow goal, value | $	$ (37,000)
RSUs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years and in months)								6 years
Share-based arrangement awards (in shares)	550,000
RSUs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based arrangement awards (in shares)	137,500
Management awards | Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			10,800,000
Grant date fair value (in dollars per share) | $ / shares			$ 8.70
Management awards | Chief Legal officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		500,000
Grant date fair value (in dollars per share) | $ / shares		$ 6.12
Management awards | Chief Financial Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		500,000
Grant date fair value (in dollars per share) | $ / shares		$ 6.12
Management awards | Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense | $								$ 5,700
Consecutive trading days | trading_day								90
Service period (in years)								7 years
Tranche One | Management awards | Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU vesting, market condition, stock price (in dollars per share) | $ / shares								$ 50
Tranche Two | Management awards | Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU vesting, market condition, stock price (in dollars per share) | $ / shares								60
Tranche Three | Management awards | Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU vesting, market condition, stock price (in dollars per share) | $ / shares								$ 70
Immediate Vesting | RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	33.33%
Annual Vesting | RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage	33.33%
Class A Common Stock | Freedom Photonics Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based arrangement awards (in shares)				2,651,085
Share-based arrangement awards | $				$ 5,400
2020 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance (in shares)										36,588,278
2020 Plan | Equity-settled fixed value | Share-based Payment Arrangement, Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years and in months)								6 years
Stock-based compensation expense | $								$ 4,000	$ 2,900
Amended 2020 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares authorized for issuance (in shares)						36,000,000
Percentage of outstanding stock maximum						5.00%
Incremental number of shares authorized (in shares)						40,000,000
Amended 2020 Plan | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares authorized for issuance (in shares)					20,991,566
2015 Plan | Stock-based awards—Equity classified
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years and in months)								4 years
Award expiration period (in years)								10 years
2015 Plan | Tranche One | Stock-based awards—Equity classified
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage								25.00%
2015 Plan | Tranche Two | Stock-based awards—Equity classified
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years and in months)								36 months
Award vesting percentage								75.00%