Organization and Basis of Presentation Systems Implementation Expense (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Systems Implementation Expense [Abstract]
Systems implementation expense	$ 1,469,000	$ 15,000	$ 2,175,000	$ 15,000