Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Subsequent Events (Details) $ in Thousands		1 Months Ended	6 Months Ended	12 Months Ended
Subsequent Events (Details) $ in Thousands	Jul. 27, 2017 USD ($) state	Jul. 31, 2018 USD ($) franchise store	Jun. 30, 2018 franchise	Dec. 31, 2017 franchise
Subsequent Event [Line Items]
Number of Businesses Acquired \| franchise			5	4
Subsequent Event
Subsequent Event [Line Items]
Number of Businesses Acquired \| franchise		3
SEI
Subsequent Event [Line Items]
Number of branded stores \| state	104
Consideration Transferred \| $	$ 143,540
SEI \| Subsequent Event
Subsequent Event [Line Items]
Number of branded stores \| store		90
Consideration Transferred \| $		$ 127,000