Equity Method Investments and Related-Party Transactions - Schedule of Related Party Transactions (Detail) - Euro Infrastructure Co [Member] - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020
Related Party Transaction [Line Items]
Revenue		$ 3,753
Expense	$ 4,164	3,197
Cash received	3,402
Cash paid	8,194	$ 2,995
Collections in excess of revenues and deferred revenues	8,662		$ 5,832
Accounts payable	$ 1,416		$ 5,446

Amount for accounts payable to related parties.

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