Long-Term Debt and Capital Leases Other Long-term Debt (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Jul. 31, 2021	Sep. 30, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Investment in New Market Tax Credit Program			$ 0	$ 0	$ 18,169
New Market Tax Credit [Member]
Debt Instrument [Line Items]
New Market Tax Credit (NMTC) financing		$ 27,000
New Market Tax Credit Financing
Debt Instrument [Line Items]
Investments		18,200
Investment in New Market Tax Credit Program		$ 8,800
Scenario, Forecast [Member] | New Market Tax Credit Financing
Debt Instrument [Line Items]
Debt Instrument, decrease, forgiveness	$ 7,900