Supplemental Cash Flow Information - Summary of cash equivalents and restricted cash (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Continuing operations
Cash and cash equivalents	$ 117,635	$ 72,032	$ 158,287	$ 44,226
Restricted cash	51,388	54,802	53,454	67,206
Cash, cash equivalents, and restricted cash	169,023	126,834	211,741	111,432
Discontinued operations
Cash and cash equivalents	0	0	7,707	53,085
Restricted cash	0	0	0	17,168
Cash, cash equivalents, and restricted cash	0	0	7,707	70,253
Cash and cash equivalents	117,635	72,032	165,994	97,311
Restricted cash	51,388	54,802	53,454	84,374
Cash, cash equivalents, and restricted cash	$ 169,023	$ 126,834	$ 219,448	$ 181,685