Discontinued Operations - Narrative (Details) $ in Thousands	4 Months Ended
	Jan. 19, 2020 extnsion_option	Jan. 20, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operation, period of continuing involvement after disposal	12 months
Discontinued operation, period of continuing involvement after disposal, number of extension options | extnsion_option	2
Discontinued operation, period of continuing involvement after disposal, service period extension option	3 months
Other nonrecurring income		$ 3,700
Disposal group, including discontinued operation, accrued income tax payable		$ 2,800