Finance Obligation - Future minimum payments under finance obligations (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Future minimum payments under finance obligations
Remainder of 2023	$ 27,993
2024	118,142
2025	103,981
2026	87,258
2027	70,687
2028 and thereafter	73,040
Total future minimum payments	481,101
Less imputed interest	(108,690)
Total	372,411
Sale of Future revenue - debt
Future minimum payments under finance obligations
Remainder of 2023	26,835
2024	107,341
2025	102,084
2026	85,361
2027	68,790
2028 and thereafter	70,678
Total future minimum payments	461,089
Less imputed interest	(105,893)
Total	355,196	$ 312,100
Sale/leaseback financings
Future minimum payments under finance obligations
Remainder of 2023	1,158
2024	10,801
2025	1,897
2026	1,897
2027	1,897
2028 and thereafter	2,362
Total future minimum payments	20,012
Less imputed interest	(2,797)
Total	$ 17,215	$ 17,200