Note 3 - Revenue - Future Performance Obligations (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Remainder of 2019, Revenue from Leases	$ 14,012
2020, Revenue from Leases	53,487
2021, Revenue from Leases	49,244
2022, Revenue from Leases	38,545
2023, Revenue from Leases	29,609
Thereafter, Revenue from Leases	22,342
Revenue related to future performance obligation	109,223	[1]
Revenue from Leases	$ 207,239

[1] Excluded from the table is revenue that is either constrained or related to performance obligations that are wholly unsatisfied as of September 30, 2019.