Supplemental Disclosure of Statement of Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Other Significant Noncash Transactions [Line Items]
Interest paid	$ 34,818	$ 40,798
Income taxes paid, net	1,525	1,321
South Carolina and Kansas
Other Significant Noncash Transactions [Line Items]
Non-cash charge in mortgage	38,942
Non-cash charge in notes payable and real estate	14,188
Owensboro, Kentucky and Orlando, Florida
Other Significant Noncash Transactions [Line Items]
Lease obligation incurred	719
Right-of-use asset obtained	$ 719
Richland, Washington
Other Significant Noncash Transactions [Line Items]
Non-recourse mortgage loan		$ 110,000