Note 19 - Leases - Additional Information (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)
Weighted average remaining lease term, Operating leases (Year)	9 years 9 months 3 days	9 years 9 months 3 days
Weighted average discount rate, Operating leases	2.73%	2.73%
Operating cash flows from operating leases	$ 1,701	$ 7,771
Total cash paid for amounts included in the measurement of lease liabilities	$ 1,701	$ 7,771