Business Acquisitions (Details) - USD ($)		1 Months Ended
	Oct. 31, 2016	Feb. 28, 2017	Feb. 29, 2016	Mar. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill				$ 22,364,000	$ 13,823,000
Cost & Compliance Associates
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross		$ 10,000,000
Total purchase price			$ 10,000,000
Goodwill			$ 8,400,000
Business Combination, Contingent Consideration, Earn-out Period		2 years
Business Combination, Maximum Consideration to be Transferred		$ 18,000,000.0
Lavante [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	$ 3,800,000
Total purchase price	3,809,000
Goodwill	$ 2,286,000