Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)	6 Months Ended
Jun. 30, 2024 USD ($) segment	Dec. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)
Accounting Policies [Abstract]
Number of operating segments \| segment	1
Number of reporting units \| segment	1
Debt securities, held-to-maturity, allowance for credit loss (less than)	$ 1,000	$ 1,000
Restricted cash, current	4,700,000
Restricted cash, non-current	$ 4,682,000	4,128,000	$ 7,833,000
Deferred contract cost amortization period (in years)	5 years
Deferred contract cost impairment	$ 0	$ 0

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Amount of accumulated impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer.

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Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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