Supplemental Disclosure of Statement of Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Other Significant Noncash Transactions [Line Items]
Interest paid	$ 25,195	$ 30,676
Income taxes paid, net	920	$ 1,330
South Carolina
Other Significant Noncash Transactions [Line Items]
Non-cash charge in mortgage	6,830
Non-cash charge in notes payable and real estate	5,429
Kentucky
Other Significant Noncash Transactions [Line Items]
Lease obligation incurred	373
Right-of-use asset obtained	$ 373