Hurricane Michael (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Loss contingency
Loss on disposal of assets			$ (7)
Insurance proceeds		$ 3,792		$ 4,071
Loss from hurricane damage	$ 447	805	502	1,127
Proceeds from settlement received				10,796
Hurricane Michael.
Loss contingency
Proceeds from business interruption insurance	0	1,300	700	1,300
Insurance proceeds	0	3,800	0	4,100
Loss from hurricane damage	$ 400	$ 800	$ 500	$ 1,100