Property and Equipment - Asset Retirement Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
ARO liability at beginning of year	$ 2,463	$ 2,376	$ 2,307
Liabilities incurred	0	29	0
Accretion of discount	51	58	69
Liabilities settled	0	0	0
ARO liability at end of year	$ 2,514	$ 2,463	$ 2,376