Identifiable Intangible Assets and Goodwill (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) Segment Unit	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Finite-Lived Intangible Assets [Line Items]
Software costs capitalized	$ 1,100	$ 500	$ 2,100	$ 1,200
Amortization of capitalized software costs	400	300	700	500
Amortization of identifiable intangible assets	242	$ 242	$ 483	$ 483
Number of operating segments | Segment			2
Number of reporting units | Unit			2
Goodwill	11,051		$ 11,051		$ 11,051
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	18,222		18,222		16,074
Less accumulated amortization	(6,736)		(6,736)		(5,508)
Total	11,486		11,486		10,566
Total intangible assets, net	11,886		11,886		10,966
Future amortization of intangible assets assuming straight-line amortization of capitalized software costs [Abstract]
2017	1,168		1,168
2018	2,196		2,196
2019	1,722		1,722
2020	1,396		1,396
2021	1,028		1,028
Thereafter	3,976		3,976
Total	11,486		$ 11,486		10,566
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life			3 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life			7 years
Acquired and Internally Developed Software Costs [Member]
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	18,032		$ 18,032		15,884
Acquired and Internally Developed Software Costs [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life			3 years
Acquired and Internally Developed Software Costs [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life			7 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life			7 years
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	160		$ 160		160
Non-competition Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life			1 year
Components of identifiable intangible assets [Abstract]
Intangible assets - gross	30		$ 30		30
Restaurant/Retail [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	10,300		10,300		10,300
Government [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	700		700		700
Trademarks, Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived non-amortizable intangible assets	$ 400		$ 400		$ 400