Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense	$ 1,056	$ 3,790	$ 9,982	$ 7,916
Valuation allowance	2,200		2,200
Alternative minimum tax credit refund			800
Unrecognized tax benefits	$ 400		$ 400