Dispositions (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Nov. 30, 2016 USD ($)	Dec. 31, 2018 customer	Mar. 31, 2017 customer	Jun. 30, 2016 USD ($) segment
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Discontinued Operations And Other Dispositions [Line Items]
Number of business units | segment				2
Total proceeds	$ 1,059			$ 867
Net gain (loss)	$ 1,081			(324)
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Discontinued Operations And Other Dispositions [Line Items]
Number of customers | customer		500	265
Total proceeds				3,400
Net gain (loss)				$ 537