Commitments and Contingencies Litigation Details (Details) $ in Millions	Nov. 20, 2017 USD ($)
Nishimura v. Gentry Homes, Ltd
Loss Contingencies [Line Items]
Amount awarded from other party	$ 90

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Balance Type:	na
Period Type:	duration