Commitments and Contingencies - Summary Of Future Annual Minimum Payments Under Noncancelable Operating Leases (Detail) $ in Thousands	Sep. 30, 2020 USD ($)
Disclosure Of Future Annual Minimum Payments Under Noncancelable Operating Leases [Line Items]
Remainder 2020	$ 11,846
2021	46,209
2022	44,753
2023	44,015
2024	41,068
Thereafter	169,543
Total minimum lease payments	357,434
Remainder 2020	7,494
2021	28,627
2022	26,360
2023	25,727
2024	24,661
Thereafter	83,931
Total minimum lease payments	196,800
Sublease Income	160,634
Sub Lease Income Remainder Of Year [Member]
Disclosure Of Future Annual Minimum Payments Under Noncancelable Operating Leases [Line Items]
Sublease Income	4,352
Sub Lease Income Due Next Twelve Months [Member]
Disclosure Of Future Annual Minimum Payments Under Noncancelable Operating Leases [Line Items]
Sublease Income	17,582
Sub Lease Income Due In Two Years [Member]
Disclosure Of Future Annual Minimum Payments Under Noncancelable Operating Leases [Line Items]
Sublease Income	18,393
Sub Lease Income Due In Three Years [Member]
Disclosure Of Future Annual Minimum Payments Under Noncancelable Operating Leases [Line Items]
Sublease Income	18,288
Sub Lease Income Due In Four Years [Member]
Disclosure Of Future Annual Minimum Payments Under Noncancelable Operating Leases [Line Items]
Sublease Income	16,407
Sub Lease Income Due Thereafter [Member]
Disclosure Of Future Annual Minimum Payments Under Noncancelable Operating Leases [Line Items]
Sublease Income	$ 85,612

Disclosure of future annual minimum payments under noncancelable operating leases

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Net operating leases future minimum payments due in two years.

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Net operating leases future minimum payments, next twelve months.

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Net operating leases future minimum payments due in four years.

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Net operating leases future minimum payments due thereafter.

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Net operating leases future minimum payments remainder of fiscal year.

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Net operating leases future minimum payments due in three years.

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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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Contractually required future rental payments receivable on noncancelable subleasing arrangements.

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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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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth 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 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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