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Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Lessee, Lease, Description [Line Items]
Sublease, remaining lease term	1 month 6 days
Sublease income	$ 747	$ 707
Lease not yet commenced, undiscounted amount	$ 35,700
Lease not yet commenced, term of contract	4 years 8 months 12 days
Weighted average remaining lease term	2 years 9 months 18 days
Operating lease, weighted average discount rate, percent	3.20%
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	3 years 7 months 6 days
Maximum | Co-location Asset Lease
Lessee, Lease, Description [Line Items]
Remaining lease term	6 years 10 months 24 days

X

- Definition

Lessee, Operating Lease, Lease Not Yet Commenced, Undiscounted Amount

+ References

No definition available.

+ Details

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X

- Definition

Lessor, Operating Lease, Remaining Lease Term

+ References

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+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980

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X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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- Details

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- Details

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Period Type: