Goodwill and Intangible Assets - Schedule of Other Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Finite-lived intangible assets
Gross Carrying Amount	$ 4,361	$ 4,361
Accumulated Amortization	3,476	2,878
Net Carrying Amount	885	1,483
Indefinite-lived intangible assets
Gross Carrying Amount	3,721	3,721
Net Carrying Amount	3,721	3,721
Total intangible assets gross carrying amount	8,082	8,082
Total intangible assets net carrying amount	4,606	5,204
Trade name
Indefinite-lived intangible assets
Gross Carrying Amount	1,998	1,998
Net Carrying Amount	1,998	1,998
Accreditation, licensing and Title IV
Indefinite-lived intangible assets
Gross Carrying Amount	1,686	1,686
Net Carrying Amount	1,686	1,686
Affiliation agreements
Indefinite-lived intangible assets
Gross Carrying Amount	37	37
Net Carrying Amount	37	37
Curricula
Finite-lived intangible assets
Gross Carrying Amount	405	405
Accumulated Amortization	405	405
Net Carrying Amount	0	0
Non-compete agreements
Finite-lived intangible assets
Gross Carrying Amount	86	86
Accumulated Amortization	72	54
Net Carrying Amount	14	32
Student contracts and relationships
Finite-lived intangible assets
Gross Carrying Amount	3,870	3,870
Accumulated Amortization	2,999	2,419
Net Carrying Amount	$ 871	$ 1,451