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Leases - Components of Lease Expense (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Finance lease cost:
Amortization of right-of-use assets	$ 2,616	$ 2,594
Interest on lease liabilities	385	515
Operating lease cost	418	309
Sublease income	(300)	(292)
Total lease cost	$ 3,119	$ 3,126

X

- Definition

Amount of interest expense on finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980

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+ Details

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Balance Type:	debit
Period Type:	duration

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980

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X

- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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-Publisher FASB
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X

- References

No definition available.

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X

- 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

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X

- Definition

Amount of sublease income excluding finance and operating lease expense.

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