Leases - Lease expense (Details) - USD ($)
$ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
| Lessor, Lease, Description [Line Items] |
|
|
|
|
| Lease expense |
$ 21,115
|
$ 25,612
|
$ 43,457
|
$ 53,344
|
| Drybulk Vessel Operations [Member] |
|
|
|
|
| Lessor, Lease, Description [Line Items] |
|
|
|
|
| Lease expense |
19,252
|
24,155
|
39,850
|
49,771
|
| Logistic Business [Member] |
|
|
|
|
| Lessor, Lease, Description [Line Items] |
|
|
|
|
| Lease expense |
1,863
|
1,457
|
3,607
|
3,573
|
| Chartered In Vessels [Member] |
|
|
|
|
| Lessor, Lease, Description [Line Items] |
|
|
|
|
| Lease expense |
20,882
|
25,325
|
43,018
|
52,759
|
| Chartered In Vessels [Member] | Drybulk Vessel Operations [Member] |
|
|
|
|
| Lessor, Lease, Description [Line Items] |
|
|
|
|
| Lease expense |
19,252
|
24,155
|
39,850
|
49,771
|
| Chartered In Vessels [Member] | Logistic Business [Member] |
|
|
|
|
| Lessor, Lease, Description [Line Items] |
|
|
|
|
| Lease expense |
1,630
|
1,170
|
3,168
|
2,988
|
| Land [Member] |
|
|
|
|
| Lessor, Lease, Description [Line Items] |
|
|
|
|
| Lease expense |
142
|
143
|
282
|
282
|
| Land [Member] | Logistic Business [Member] |
|
|
|
|
| Lessor, Lease, Description [Line Items] |
|
|
|
|
| Lease expense |
142
|
143
|
282
|
282
|
| Building [Member] |
|
|
|
|
| Lessor, Lease, Description [Line Items] |
|
|
|
|
| Lease expense |
91
|
144
|
157
|
303
|
| Building [Member] | Logistic Business [Member] |
|
|
|
|
| Lessor, Lease, Description [Line Items] |
|
|
|
|
| Lease expense |
$ 91
|
$ 144
|
$ 157
|
$ 303
|