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Leases - Narrative (Details) $ in Millions | 12 Months Ended | 36 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2019 acquisition
Lessee, Lease, Description [Line Items] |  |
Number of acquisitions | acquisition |  | 3
Increase (decrease) in operating lease assets | $ 6.1 |
Increase (decrease) in operating lease liabilities | $ 6.0 |
Weighted-average remaining lease term | 6 years | 6 years
Weighted-average discount rate (as a percent) | 6.00% | 6.00%
Operating lease payments | $ 1.8 |
Operating lease expense | 2.1 |
Sublease income | $ 0.7 |
Maximum |  |
Lessee, Lease, Description [Line Items] |  |
Remaining contractual term | 7 years |
Renewal term | 7 years | 7 years

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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. + 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)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 + Details
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