Income Taxes Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Effective tax rate, continuing operations				21.10%	37.40%
Income tax expense		$ 5,517	$ 5,461	$ 15,803	$ 28,886
Tax expense on sale	$ 12,700