Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Loss Carryforwards [Line Items]
Tax cuts and jobs act of 2017 complete accounting deemed repatriation federal tax	$ 5,200,000
Tax cuts and jobs act of 2017 complete accounting estimated payments of liability	1,000,000	$ 1,000,000
Deferred Tax Assets, Gross	119,913,000	110,816,000
Deferred Tax Assets, Valuation Allowance	105,353,000	101,639,000
Write-off of tax attributes	$ 3,365,000	0	$ 0
Cumulative loss incurred over the period	4 years
Deferred Tax Assets, Tax Credit Carryforwards	$ 5,679,000	7,461,000
Liability for uncertain tax positions	700,000	900,000
Cash Refunds from Income Taxes		800,000	7,100,000
Paid Cash for Income Taxes	20,300,000
Net Cash Payments	16,600,000
Net payment for foreign income and withholding taxes	$ 19,714,000	7,773,000	$ (7,268,000)
Minimum
Operating Loss Carryforwards [Line Items]
Proposed Global Tax	15.00%
CA
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 4,400,000
Net Cash Payments	1,800,000
Foreign Income Tax Credit
Operating Loss Carryforwards [Line Items]
Write-off of tax attributes	3,400,000
Deferred Tax Assets, Tax Credit Carryforwards	4,900,000
Foreign Income Tax Credit | 2038
Operating Loss Carryforwards [Line Items]
Research and development credit carryforwards	300,000
Foreign Income Tax Credit | Minimum
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Valuation Allowance	5,000,000
Foreign Income Tax Credit | United Kingdom
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards	2,800,000
U.S
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Valuation Allowance	1,700,000
U.S | 2038
Operating Loss Carryforwards [Line Items]
Research and development credit carryforwards	600,000
U.S | Maximum
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Valuation Allowance	2,900,000
U.S | Iceland And Poland
Operating Loss Carryforwards [Line Items]
Net Cash Payments	1,400,000
U.S | Foreign Income Tax Credit
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards	$ 2,100,000
U.S | Foreign Income Tax Credit | 2027
Operating Loss Carryforwards [Line Items]
Tax credit carryforward expiration year	2027
Foreign Tax Authority | Iceland And Poland
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 11,700,000
Foreign Tax Authority | Iceland And Poland | Minimum
Operating Loss Carryforwards [Line Items]
Operating loss carry forwards expire period	2027 years
Foreign Tax Authority | Iceland And Poland | Maximum
Operating Loss Carryforwards [Line Items]
Operating loss carry forwards expire period	2033 years
Foreign Tax Authority | CA
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 3,300
Operating loss carryforwards period	20 years
State and Foreign
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 355,300,000	$ 373,300,000
Net payment for foreign income and withholding taxes	1,000,000
State and Foreign | Maximum
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Valuation Allowance	8,700,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 160,500,000
State and Local Jurisdiction | Latest Tax Year
Operating Loss Carryforwards [Line Items]
Tax credit carryforward expiration year	2042
State and Local Jurisdiction | Earliest Tax Year
Operating Loss Carryforwards [Line Items]
Tax credit carryforward expiration year	2024