Basis and Summary of Significant Accounting Policies - Narrative (Details) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
|
Sep. 30, 2018
USD ($)
state
|
Sep. 30, 2017
USD ($)
|
Sep. 30, 2018
franchise
state
|
Dec. 31, 2017
franchise
|
|
| Significant Accounting Policies [Line Items] | ||||
| Number of businesses acquired | franchise | 8 | 4 | ||
| Progressive Leasing | ||||
| Significant Accounting Policies [Line Items] | ||||
| Number of states in which entity operates | state | 46 | 46 | ||
| Progressive leasing invoice volume | $ | $ 355,005 | $ 281,724 | ||