Commitment and Contingencies - Future Minimum Lease Payments Under Non-Cancelable Operating Leases (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Sublease Income
Remaining 2021	$ (93)
2022	(250)
2023	(258)
2024	(265)
2025	(273)
Thereafter	(328)
Total	(1,467)
Minimum Lease Payments, Net of Sublease Income
Remaining 2021	1,033
2022	2,098
2023	1,559
2024	1,419
2025	1,515
Thereafter	1,701
Total	9,325
Related Party
Minimum Lease Payments of Operating Leases
Remaining 2021	100
2022	410
2023	425
2024	421
2025	427
Thereafter	383
Total	2,166
Third- Party
Minimum Lease Payments of Operating Leases
Remaining 2021	1,026
2022	1,938
2023	1,392
2024	1,263
2025	1,361
Thereafter	1,646
Total	$ 8,626

Contractual Obligation, To Be Paid, After Year Four

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Operating Leases, Future Minimum Payments, Due After Four Years

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of contractual obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of contractual obligation to be paid in remainder of current fiscal year.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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Future rental payments receivable within one year of the balance sheet date under an operating lease.

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Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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Amount of required minimum rental payments receivable in the remainder of the fiscal year following the latest fiscal year ended for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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