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Summary of Significant Accounting Policies and New Accounting Standards - Additional Information (Details) - USD ($) $ in Thousands | Jul. 01, 2019 | Sep. 30, 2019
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Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
ROU operating lease assets |  | $ 20,830
Lease liabilities |  | $ 21,813
ASU 2016-02 |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |
Lease, Practical Expedient, Land Easement | true |
Lease, Practical Expedient, Use of Hindsight | false |
ROU operating lease assets | $ 18,576 |
Lease liabilities | $ 19,368 |

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