Investment in Stock - Additional Information (Detail) - Resort Hotel Insurance Company [Member]	Dec. 31, 2018 USD ($)
Schedule of Equity Method Investments [Line Items]
Ownership	20.00%
Capital contribution	$ 132,866
Increase in equity cumulative	$ 513,951

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant