Leases - Schedule of Lease Cost (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2019 USD ($)
Finance lease cost:
Amortization of right-of-use assets	$ 116
Interest on lease liabilities	27
Operating lease cost	499
Variable lease cost	172
Total lease cost	$ 814

No definition available.

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- Definition

Amount of interest expense on finance lease liability.

+ References

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-Publisher FASB
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-SubTopic 20
-Section 50
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+ Details

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

+ Details

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
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-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

+ Details

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