v3.19.3.a.u2

Commitments and Contingencies - Additional Information (Detail) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) Agreement | Dec. 31, 2018 USD ($) Agreement | Dec. 31, 2017 USD ($) Agreement
Loss Contingencies [Line Items] |  |  |
Number of lease agreements assumed in acquisitions | Agreement | 6 | 6 | 6
Tenant improvement allowances in acquisitions | $ 2,517 | $ 0 | $ 2,777
Minimum |  |  |
Loss Contingencies [Line Items] |  |  |
Non-cancellable operating leases term | 2034 |  |
Maximum |  |  |
Loss Contingencies [Line Items] |  |  |
Maximum aggregate amount | $ 12,300 |  |
Non-cancellable operating leases term | 2066 |  |

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