Basis and Summary of Significant Accounting Policies - Narrative (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019 USD ($) state	Jun. 30, 2018 USD ($)	Jun. 30, 2019 franchise state	Jun. 30, 2018 franchise	Dec. 31, 2018
Significant Accounting Policies [Line Items]
Additional number of businesses acquired | franchise			5	5
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		46
Progressive leasing invoice volume | $	$ 403,410	$ 335,088