Allowance for Doubtful Accounts - Notes Receivable Disaggregated by Vintage Year (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Current-period gross write-offs
2024			$ 0
2023			0
2022			41
2021			0
2020			0
Prior			28
Total			69
Current-period recoveries
2024			0
2023			0
2022			0
2021			0
2020			0
Prior			0
Total			0
Current-period net write-offs
2024			0
2023			0
2022			41
2021			0
2020			0
Prior			28
Total	$ 69	$ 103	69	$ 154
Standard notes receivable
Financing Receivable, Credit Quality Indicator [Line Items]
2024	7,733		7,733
2023	8,515		8,515
2022	19,482		19,482
2021	0		0
2020	0		0
Prior	0		0
Total	35,730		35,730
Current-period net write-offs
Total	0	101	0	101
Delinquent notes receivable
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		0
2023	6,460		6,460
2022	2,287		2,287
2021	774		774
2020	1,491		1,491
Prior	21,336		21,336
Total	32,348		32,348
Current-period net write-offs
Total	69		69
Elevated risk notes receivable
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	7,378		7,378
2020	0		0
Prior	0		0
Total	7,378		7,378
Current-period net write-offs
Total	$ 0	$ 2	$ 0	$ 53