Supplemental Disclosure of Statement of Cash Flow Information (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($) property	Sep. 30, 2020 USD ($) property
Other Significant Noncash Transactions [Line Items]
Interest paid	$ 35,515	$ 34,818
Income taxes paid, net	1,273	$ 1,525
Number of foreclosed real estate properties | property		2
Non-cash charge in mortgage	11,610
Lease obligation incurred	438	$ 719
Non-Recourse Mortgage | LCIF
Other Significant Noncash Transactions [Line Items]
Non-cash charge in mortgage	$ 11,610
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Properties Disposed by LCIF
Other Significant Noncash Transactions [Line Items]
Number of properties sold | property	3
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Properties Disposed by LCIF | LCIF
Other Significant Noncash Transactions [Line Items]
Number of properties sold | property	3
Proceeds from sale of real estate, noncash transaction	$ 22,305
RR Ocala 44, LLC
Other Significant Noncash Transactions [Line Items]
Noncontrolling interest liability assumed	489
Noncash increase to real estate investments under construction	489
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
Other Significant Noncash Transactions [Line Items]
Right-of-use asset obtained	$ 438	$ 719