Intangible Assets and Goodwill - Schedule of Goodwill (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 168,449,000	$ 0
Goodwill acquired		168,449,000
Goodwill impairment	(28,000,000)	0	$ 0
Goodwill, ending balance	140,449,000	168,449,000	0
Operating segments | Acute Care EHR and TruBridge
Goodwill [Roll Forward]
Goodwill impairment	0
Operating segments | Acute Care EHR
Goodwill [Roll Forward]
Goodwill, beginning balance	97,095,000	0
Goodwill acquired		97,095,000
Goodwill impairment	0
Goodwill, ending balance	97,095,000	97,095,000	0
Operating segments | TruBridge
Goodwill [Roll Forward]
Goodwill, beginning balance	13,784,000	0
Goodwill acquired		13,784,000
Goodwill impairment	0
Goodwill, ending balance	13,784,000	13,784,000	0
Operating segments | Post-acute Care EHR
Goodwill [Roll Forward]
Goodwill, beginning balance	57,570,000	0
Goodwill acquired		57,570,000
Goodwill impairment	(28,000,000)	0
Goodwill, ending balance	$ 29,570,000	$ 57,570,000	$ 0