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Retirement Plan	12 Months Ended
Retirement Plan	Dec. 31, 2019
Retirement Benefits [Abstract]
Retirement Plan	Retirement Plan The Company maintains a qualified defined contribution plan under Section 401(k) of the Internal Revenue Code of 1986, as amended, for all employees of its NET Services’ operating segment and corporate personnel. The Company, at its discretion, may make a matching contribution to the plan. Any matching contributions vest over 5 years. Unvested matching contributions are forfeitable upon employee termination. Employee contributions are fully vested and non-forfeitable. The Company’s contributions to the plan for continuing operations were $342, $340 and $304, for the years ended December 31, 2019, 2018 and 2017, respectively. The Company also maintains a Deferred Compensation Rabbi Trust Plan for highly compensated employees. This plan was put in place to compensate for the inability of highly compensated employees to take full advantage of the Company’s 401(k) plan. Additional information is included in Note 20, Commitments and Contingencies.