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Investments in Affiliates (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Investments in and Advances to Affiliates [Line Items]
Assets	$ 3,025,655	$ 2,813,540
Real estate
Investments in and Advances to Affiliates [Line Items]
Assets	$ 335,700
Number of entities	2
Real Estate Entities One
Investments in and Advances to Affiliates [Line Items]
Assets	$ 29,900
Real Estate Entities Two
Investments in and Advances to Affiliates [Line Items]
Assets	5,300
Foreign
Investments in and Advances to Affiliates [Line Items]
Assets	258,300
Asphalt terminal
Investments in and Advances to Affiliates [Line Items]
Assets	$ 42,200
Asphalt terminal
Investments in and Advances to Affiliates [Line Items]
Ownership in joint venture	50.00%
Real estate | Minimum
Investments in and Advances to Affiliates [Line Items]
Ownership in joint venture	10.00%
Real estate | Maximum
Investments in and Advances to Affiliates [Line Items]
Ownership in joint venture	25.00%
Foreign | Minimum
Investments in and Advances to Affiliates [Line Items]
Ownership in joint venture	25.00%
Foreign | Maximum
Investments in and Advances to Affiliates [Line Items]
Ownership in joint venture	50.00%

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