Basis and Summary of Significant Accounting Policies - Narrative (Details) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
|
Sep. 30, 2019
USD ($)
state
|
Sep. 30, 2018
USD ($)
|
Sep. 30, 2018
franchise
|
Dec. 31, 2018 |
|
| Significant Accounting Policies [Line Items] | ||||
| Additional number of businesses acquired | franchise | 8 | |||
| Threshold period past due for write-off of trade accounts receivable | 60 days | |||
| Progressive Finance Holdings, LLC | ||||
| Significant Accounting Policies [Line Items] | ||||
| Threshold period past due for write-off of trade accounts receivable | 120 days | |||
| Progressive Leasing | ||||
| Significant Accounting Policies [Line Items] | ||||
| Number of states in which entity operates | state | 46 | |||
| Progressive leasing invoice volume | $ | $ 420,902 | $ 355,005 | ||