Commitments and Contingencies [Line Items]

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- Definition

Fixed Rent For Lease Term Deferred

+ References

No definition available.

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- Definition

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

+ References

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-Publisher FASB
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-Topic 840
-SubTopic 30
-Section 45
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- Definition

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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-Publisher FASB
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- Definition

The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively.

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- Definition

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

+ References

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-Publisher FASB
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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

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COMMITMENTS AND CONTINGENCIES - Additional Information (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018	Dec. 31, 2017
Commitments And Contingencies [Line Items]
Capital leases, aggregate gross		$ 1,900
Capital leases, net asset values		1,800
Operating lease expense		4,900	$ 4,500
Aggregate fixed rent payment to landlord	$ 17,704	17,704
Second Quarter Twenty Fourteen Acquisition
Commitments And Contingencies [Line Items]
Aggregate fixed rent payment to landlord	36,000	36,000
Deferred fixed rent	$ 6,000	$ 6,000
Minimum
Commitments And Contingencies [Line Items]
Operating lease, initial term		1 year
Minimum \| Second Quarter Twenty Fourteen Acquisition
Commitments And Contingencies [Line Items]
Fixed rent for lease term deferred	6 years	6 years
Maximum
Commitments And Contingencies [Line Items]
Operating lease, initial term		24 years
Maximum \| Second Quarter Twenty Fourteen Acquisition
Commitments And Contingencies [Line Items]
Fixed rent for lease term deferred	11 years	11 years