Goodwill and Intangible Assets (Details) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 31, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Nov. 01, 2013
Goodwill [Line Items]
Goodwill		$ 33,899,000		$ 33,899,000		$ 33,899,000
Goodwill impairment loss		$ 0	$ 4,735,000	$ 0	$ 4,735,000
HCN
Goodwill [Line Items]
Goodwill							$ 38,600,000
Business combination, identified intangible assets							$ 8,100,000
Goodwill impairment loss	$ 4,700,000