Business Acquisitions (Intangible Assets Acquired) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Curepet, Healthcare Magic, Vertex, Oakstone, I3 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value		$ 6,872
Acquired intangible assets, Weighted Average Useful Life (in years)		8 years 9 months
Curepet, Healthcare Magic, Vertex, Oakstone, I3 [Member] | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value		$ 5,275
Acquired intangible assets, Weighted Average Useful Life (in years)		9 years 11 months 10 days
Curepet, Healthcare Magic, Vertex, Oakstone, I3 [Member] | Developed Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value		$ 1,236
Acquired intangible assets, Weighted Average Useful Life (in years)		4 years 1 month 30 days
Curepet, Healthcare Magic, Vertex, Oakstone, I3 [Member] | Noncompete Agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value		$ 226
Acquired intangible assets, Weighted Average Useful Life (in years)		7 years
Curepet, Healthcare Magic, Vertex, Oakstone, I3 [Member] | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value		$ 135
Acquired intangible assets, Weighted Average Useful Life (in years)		5 years 6 months 3 days
Via Media Health, PB Systems, Curepet, and I3 [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value	$ 10,836
Acquired intangible assets, Weighted Average Useful Life (in years)	8 years 10 months 20 days
Via Media Health, PB Systems, Curepet, and I3 [Member] | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value	$ 10,762
Acquired intangible assets, Weighted Average Useful Life (in years)	8 years 11 months 9 days
Via Media Health, PB Systems, Curepet, and I3 [Member] | Developed Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value	$ 74
Acquired intangible assets, Weighted Average Useful Life (in years)	2 years 3 months 15 days
Via Media Health, PB Systems, Curepet, and I3 [Member] | Noncompete Agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value	$ 0
Acquired intangible assets, Weighted Average Useful Life (in years)	0 days
Via Media Health, PB Systems, Curepet, and I3 [Member] | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value	$ 0
Acquired intangible assets, Weighted Average Useful Life (in years)	0 days