Leases (Details) - USD ($)
$ in Thousands |
Jun. 30, 2020 |
Jun. 30, 2019 |
| Charter-in contracts |
|
|
| Property Subject To Or Available For Operating Lease [Line Items] |
|
|
| Weighted average remaining lease term |
5 years 1 month 4 days
|
|
| Operating lease liabilities |
$ 301,610
|
|
| Charter-in contracts | Minimum |
|
|
| Property Subject To Or Available For Operating Lease [Line Items] |
|
|
| Remaining lease term |
1 month 5 days
|
|
| Charter-in contracts | Maximum |
|
|
| Property Subject To Or Available For Operating Lease [Line Items] |
|
|
| Remaining lease term |
10 years
|
|
| Land Leases |
|
|
| Property Subject To Or Available For Operating Lease [Line Items] |
|
|
| Weighted average remaining lease term |
45 years 9 months 7 days
|
|
| Operating lease liabilities |
$ 7,769
|
|
| Land Leases | Minimum |
|
|
| Property Subject To Or Available For Operating Lease [Line Items] |
|
|
| Remaining lease term |
45 years 7 months 29 days
|
|
| Land Leases | Maximum |
|
|
| Property Subject To Or Available For Operating Lease [Line Items] |
|
|
| Remaining lease term |
46 years 24 days
|
|
| Office lease agreements |
|
|
| Property Subject To Or Available For Operating Lease [Line Items] |
|
|
| Weighted average remaining lease term |
1 year 9 months 18 days
|
|
| Operating lease liabilities |
$ 861
|
|
| Office lease agreements | Minimum |
|
|
| Property Subject To Or Available For Operating Lease [Line Items] |
|
|
| Remaining lease term |
1 month 5 days
|
|
| Office lease agreements | Maximum |
|
|
| Property Subject To Or Available For Operating Lease [Line Items] |
|
|
| Remaining lease term |
3 years 3 months 16 days
|
|
| New leases |
|
|
| Property Subject To Or Available For Operating Lease [Line Items] |
|
|
| Operating lease liabilities |
$ 43,516
|
$ 18,110
|