Organization and Significant Accounting Policies (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($) segment	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Unusual or Infrequent Item, or Both
Number of operation segments (segments) | segment		2
Property and equipment, net	$ 8,017	$ 8,017		$ 9,087
Assets held for sale	546	546		$ 0
Employee retention credit	1,900
Employee retention expense	800
Employee retention credit	$ 1,100	$ 1,100
Adjustment
Unusual or Infrequent Item, or Both
Property and equipment, net			$ (500)
Assets held for sale			$ 500