Note 6 - Other Assets and Other Liabilities - Maturity of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Remaining six months of 2019	$ 3,220
2020	6,091
2021	4,376
2022	3,485
2023	2,804
Thereafter	1,955
Total minimum lease payments	21,931
Less: discount	(1,425)
Operating lease liability	$ 20,506	$ 0