Commitments and Contingencies - Additional Information (Details) $ in Thousands			12 Months Ended
	May 10, 2017 USD ($)	Aug. 05, 2016 USD ($)	Dec. 31, 2017 USD ($) operating_lease states	Dec. 31, 2016 USD ($)	May 11, 2017 USD ($)	Dec. 31, 2015 operating_lease
Loss Contingencies [Line Items]
Number of operating leases settlements | states			3
Lease settlements reserve			$ 300
Rental expense			1,400	$ 1,200
Other current liabilities			5,529	2,621
Provant
Loss Contingencies [Line Items]
Litigation settlement amount	$ 800
Other Current Liabilities | Employment-related Claim
Loss Contingencies [Line Items]
Loss contingency accrual			300
Other Current Liabilities | Provant
Loss Contingencies [Line Items]
Other current liabilities			700
Provant
Loss Contingencies [Line Items]
Accrual related to vendor arrangement acquired in merger					$ 1,300
Portamedic Service Line
Loss Contingencies [Line Items]
Litigation settlement amount		$ 500
Portamedic Service Line | Discontinued Operations
Loss Contingencies [Line Items]
Loss contingency expense				200
Portamedic Service Line | Other Current Liabilities
Loss Contingencies [Line Items]
Loss contingency accrual				500
Facility Closing | Hooper Holmes Services | Discontinued Operations
Loss Contingencies [Line Items]
Gain from discontinued operations			100
Employee Severance | Other Current Liabilities
Loss Contingencies [Line Items]
Restructure reserves			$ 600	$ 300
Olathe, Kansas and East Greenwich, Rhode Island
Loss Contingencies [Line Items]
Number of properties under operating leases | operating_lease			2
Iowa and Indianapolis
Loss Contingencies [Line Items]
Number of properties under operating leases | operating_lease						2