Supplemental Cash Flow Information - Non-cash Investing and Financing Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]
Accruals for the purchase of vessels and vessel improvements	$ 30	$ 73	$ 0
Accruals for the purchase of scrubbers and ballast water treatment systems	388	3,307	3,155
Accruals for debt and equity issuance costs	0	0	260
Accruals for dividends payable	2,245	491	0
Fair value of warrants issued as consideration for the purchase of vessels	$ 0	$ 10,680	$ 0