Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
(Provision) benefit for income taxes from continuing operations	$ (9,000)	$ 212,000	$ (9,000)	$ 8,428,000
Provision for income taxes from discontinued operations		(200,000)		(6,900,000)
Income tax benefit from continuing and discontinued operations		$ 0		$ 1,500,000