Financial Instruments - Credit Losses - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Notes receivable, net	$ 67,366		$ 67,931
Uncollectible balance reserved (as a percent)	100.00%
Uncollectible balance period (in years)	5 years
Uncollected balance of defaulted notes	$ 4,450
Allowance for credit loss	2,652	$ 2,856	$ 2,815	$ 3,620	$ 3,853	$ 3,869
Notes Receivable, Five Years and Older
Financing Receivable, Credit Quality Indicator [Line Items]
Allowance for credit loss	1,500
Notes Receivable, Under Five Years
Financing Receivable, Credit Quality Indicator [Line Items]
Allowance for credit loss	$ 1,200
Minimum | Notes Receivable
Financing Receivable, Credit Quality Indicator [Line Items]
Service period (in years)	3 years
Maximum | Notes Receivable
Financing Receivable, Credit Quality Indicator [Line Items]
Service period (in years)	9 years