Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements - Additional Information (Details) - USD ($) $ in Thousands |
6 Months Ended | |
---|---|---|
Dec. 01, 2018 |
May 31, 2019 |
|
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] | ||
Reclassification of net unrealized gains from accumulated other comprehensive income (loss) | $ (1,955) | |
Accounting Standards Update 2016-01 | Reclassification out of Accumulated Other Comprehensive Income | ||
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] | ||
Reclassification of net unrealized gains from accumulated other comprehensive income (loss) | $ (1,955) |