Credit Concentration - Top Five Geographic Concentrations (Details) - Sales Revenue, Services, Net $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) Rate
Concentration Risk [Line Items]
Total ABR | $	$ 219,129
Percent of ABR | Rate	100.00%
Texas | Geographic Concentration Risk
Concentration Risk [Line Items]
Total ABR | $	$ 26,603
Percent of ABR | Rate	12.10%
Kentucky | Geographic Concentration Risk
Concentration Risk [Line Items]
Total ABR | $	$ 15,459
Percent of ABR | Rate	7.00%
Arizona | Geographic Concentration Risk
Concentration Risk [Line Items]
Total ABR | $	$ 14,161
Percent of ABR | Rate	6.50%
Indiana | Geographic Concentration Risk
Concentration Risk [Line Items]
Total ABR | $	$ 12,848
Percent of ABR | Rate	5.90%
Ohio | Geographic Concentration Risk
Concentration Risk [Line Items]
Total ABR | $	$ 12,822
Percent of ABR | Rate	5.90%
Other | Geographic Concentration Risk
Concentration Risk [Line Items]
Total ABR | $	$ 137,236
Percent of ABR | Rate	62.60%