Goodwill and Identifiable Intangibles, Net - Schedule of Definite-Lived Identifiable Intangible Assets Acquired (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 13,986	$ 13,915
Accumulated Amortization	(12,851)	(12,112)
Net Carrying Value	1,135	1,803
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	1,250	1,250
Accumulated Amortization	(1,250)	(1,250)
Net Carrying Value	$ 0	0
Trade names | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life from Acquisition	2 years 3 months
Trade names | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life from Acquisition	2 years 6 months
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 570	569
Accumulated Amortization	(570)	(569)
Net Carrying Value	$ 0	0
Non-compete agreements | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life from Acquisition	1 year
Non-compete agreements | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life from Acquisition	3 years 6 months
Leasehold
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 45	45
Accumulated Amortization	(45)	(45)
Net Carrying Value	$ 0	0
Estimated Useful Life from Acquisition	2 years 6 months
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 10,120	10,071
Accumulated Amortization	(8,989)	(8,278)
Net Carrying Value	$ 1,131	1,793
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life from Acquisition	1 year 7 months 6 days
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life from Acquisition	9 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 1,509	1,487
Accumulated Amortization	(1,509)	(1,487)
Net Carrying Value	$ 0	0
Developed technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life from Acquisition	2 years 6 months
Developed technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life from Acquisition	3 years
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 492	493
Accumulated Amortization	(488)	(483)
Net Carrying Value	$ 4	$ 10
Estimated Useful Life from Acquisition	9 years