Operating Expenses (Tables)

3 Months Ended

Mar. 31, 2019

Operating Expenses [Abstract]

Schedule of Direct Operating Expenses

Three months ended March 31,		2019		2018
Ancillary and logistical service expenses	$	13,759	$	14,580
Employee compensation expenses		10,807		9,019
Buildings, facilities and technology expenses		2,134		2,627
Travel, advertising and promotion expenses		5,868		6,808
Other costs of services		3,501		3,623
	$	36,069	$	36,657

Schedule of Selling, General and Administrative Expenses

Three months ended March 31,		2019		2018
Employee compensation expenses	$	61,464		63,293
Buildings, facilities and technology expenses		15,915		15,273
Travel, advertising and promotion expenses		9,142		9,719
Professional fees		4,075		4,267
Other SG&A expenses		4,588		4,918
	$	95,184	$	97,470

Schedule of Acquisition Related Costs

Three months ended March 31,		2019		2018
IronPlanet:
Other acquisition-related costs	$	82	$	639
Other acquisitions:
Continuing employment costs		87		968
Other acquisition-related costs		500		26
	$	669	$	1,633

Schedule of Depreciation and Amortization Expenses

Three months ended March 31,		2019		2018
Depreciation expense	$	7,168	$	6,916
Amortization expense		9,947		9,275
	$	17,115	$	16,191