Basis of Interim Presentation - Additional Information (Detail)	Jan. 01, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Adoption Of New Accounting Standard Increase Decrease In Total Assets	0.50%
Adoption Of New Accounting Standard Increase Decrease In Total Liabilities	1.20%

Increase in total liabilities due to adoption of new accounting standard.

No definition available.

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