Capital Structure - Equity Incentive Plans (Details) - USD ($) $ in Thousands					3 Months Ended	12 Months Ended
	Dec. 31, 2023	Jan. 01, 2022	Jun. 09, 2021	Jun. 04, 2021	Mar. 28, 2024	Dec. 31, 2023	Dec. 31, 2022	Mar. 15, 2024	May 01, 2023	Dec. 31, 2021	Jun. 19, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance (in shares)	15,235,000					15,235,000
Stock-based compensation						$ 3,700	$ 6,500
Stock options outstanding under Cloudbreak Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance (in shares)	48,000					48,000
Cloudbreak
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares options (in shares)			1,576,670
Shares options			$ 99,000
Unvested options assumed (in shares)			134,943
Unvested options, fair value			$ 600
Cloudbreak 2015 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding options (in shares)	48,000					48,000	138,000			151,000
Unrecognized stock-based compensation expense related to stock options	$ 35					$ 35
Cloudbreak 2015 Incentive Plan | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding options (in shares)								48,035
Cloudbreak 2015 Incentive Plan | Stock options outstanding under Cloudbreak Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period expected to be recognized (in years)	6 months 18 days
Cloudbreak 2015 Incentive Plan | Cloudbreak
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)											2,200,000
2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance (in shares)	1,315,646			1,642,081		1,315,646
Common stock reserved for issuance increase, percentage of common stock outstanding				5.00%
Additional shares authorized (in shares)		721,395
Number of shares available for grant							1,086,452
2021 Equity Incentive Plan | Performance-based RSU | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PSUs and RSUs accelerated (in shares)					53,516
2021 Equity Incentive Plan | Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period expected to be recognized (in years)						1 year 9 months 3 days
Unrecognized stock-based compensation expense related to stock options	$ 1,300					$ 1,300
Common stock reserved for issuance (in shares)	522,000					522,000
2021 Equity Incentive Plan | Restricted stock units | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PSUs and RSUs accelerated (in shares)					128,122
Shares available for future grant under 2023 IEIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)									600,000
Common stock reserved for issuance (in shares)	400,000					400,000	0
Shares available for future grant under 2023 IEIP | Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period expected to be recognized (in years)						2 years 10 days
Unrecognized stock-based compensation expense related to stock options	$ 100					$ 100
Common stock reserved for issuance (in shares)	200,000					200,000