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Summary of Significant Accounting Policies (Details) £ in Millions		3 Months Ended			12 Months Ended
	Jun. 03, 2021	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2022 GBP (£)	Dec. 31, 2022 USD ($)	Sep. 03, 2021 USD ($)	Sep. 03, 2021 GBP (£)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average remaining lease term		7 years 9 months 18 days
Revenue from lease termination		$ 0	$ (9,003,000)
Goodwill impairment		$ 0			$ 0
2021 OPP | Share-based Payment Arrangement, Nonemployee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period	3 years 1 month 6 days
One Tenant Lease Termination
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Lease termination fee						$ 9,000,000	£ 6.7
Revenue from lease termination			$ 300,000	£ 0.2

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