Income Taxes (Details)	Jun. 30, 2020 numberOfOpenTaxExaminations
State of Hawaii
Income Tax Examination [Line Items]
Number of open tax examinations	1

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.

Name:	us-gaap_IncomeTaxExaminationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration