Face (par) amount of debt instrument at time of issuance.

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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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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.

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No definition available.

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Cash and cash equivalents criteria maturity period.

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- Definition

Convertible senior notes year of maturity.

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Reduction of interest expense per quarter.

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Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands				6 Months Ended
	Jun. 30, 2020	Jun. 16, 2020	Mar. 31, 2020	Jun. 30, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cash and cash equivalents maturity period, maximum				90 days
Short-term lease exception - Lease term	12 months			12 months
Debt, amount outstanding			$ 174,000
Debt, maturity date			Apr. 11, 2021
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] \| Private Placement [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Convertible senior notes face value		$ 150,000
Convertible senior notes stated rate of interest	4.25%			4.25%
Covertible senior notes year of maturity		2023
Accounting Standards Update 470-20 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reduction of interest expense per quarter	$ 350