Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737

Name:	us-gaap_CapitalLeaseObligations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt - Capital Lease and Other Financing Obligations (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Oct. 31, 2019	Jan. 31, 2019	Dec. 31, 2018
Capital Lease and Other Financing Obligations
Equipment financing arrangement				$ 1,300
Repurchase of rental equipment			$ 1
Capital leases				$ 1,200
Other financing obligations	$ 2,000
Interest rate (as a percent)				11.10%
Equipment
Capital Lease and Other Financing Obligations
Interest rate (as a percent)	4.30%	7.43%
Commercial-use vehicles \| Minimum
Capital Lease and Other Financing Obligations
Interest rate (as a percent)	3.30%
Commercial-use vehicles \| Maximum
Capital Lease and Other Financing Obligations
Interest rate (as a percent)	20.70%