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Summary of Significant Accounting Policies - Undiscounted Lease Cash Flows (Details) | Mar. 31, 2020 USD ($)
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Finance Lease, Liability, Payment, Due [Abstract] |
Total | $ 91,240,000
Finance Lease, Liability | 53,441,000
Lessee, Operating Lease, Liability, Payment, Due [Abstract] |
Thereafter | 223,118,000
Lease liabilities | $ 354,510,000

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