v3.19.3

COMMITMENTS AND CONTINGENCIES - Operating and Finance Leases Narrative (Details) $ in Thousands | 1 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2019 USD ($) ft² renewal_option | Dec. 31, 2018 USD ($) ft² renewal_option | Sep. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items] |  |  |
Operating lease renewal term |  |  | 5 years
Operating lease option to terminate term |  |  | 1 year
Total lease payments over term |  |  | $ 492,508
Leased area of office space executed but not yet commenced (in sq ft) | ft² | 226,258 |  |
Lease executed but not yet commenced, term | 15 years 6 months |  |
Lease executed but not yet commenced, number of renewal options | renewal_option | 2 |  |
Lease executed but not yet commenced renewal term | 5 years |  |
Lease executed but not yet commenced | $ 42,700 |  | $ 344,202
Minimum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease term |  |  | 1 year
Maximum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease term |  |  | 12 years
Lease executed but not yet commenced, option to terminate leased space (up to) | 50.00% |  |
Equipment |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Finance lease, remaining lease term |  |  | 2 years
Oakland, California | Building |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease term |  | 12 years |
Operating lease renewal term |  | 5 years |
Leased area of office space (in sq ft) | ft² |  | 355,762 |
Operating lease, number of renewal options | renewal_option |  | 2 |
Total lease payments over term |  | $ 276,000 |

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