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Long-Term Debt - Tremont Promissory Note Payable - Additional Information (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2019 USD ($)
Promissory Note | Tremont |
Debt Instrument [Line Items] |
Principal prepayments of note | $ 0.7

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Period Type: | duration

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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Details
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- Details
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Balance Type: |
Period Type: |