Note 2 - Acquisitions and Divestitures - Schedule of Acquired Property and Equipment of Pinnacle Acquisition (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Pinnacle Acquisition [Member]
Property and Equipment, Recorded Amount	$ 130,306
Land [Member] | Pinnacle Acquisition [Member]
Property and Equipment, Recorded Amount	$ 4,395
Building and Building Improvements [Member] | Minimum [Member]
Property and Equipment, Useful Life (Year)	3 years
Building and Building Improvements [Member] | Maximum [Member]
Property and Equipment, Useful Life (Year)	40 years
Building and Building Improvements [Member] | Pinnacle Acquisition [Member]
Property and Equipment, Recorded Amount	$ 56,054
Building and Building Improvements [Member] | Pinnacle Acquisition [Member] | Minimum [Member]
Property and Equipment, Useful Life (Year)	15 years
Building and Building Improvements [Member] | Pinnacle Acquisition [Member] | Maximum [Member]
Property and Equipment, Useful Life (Year)	40 years
Furniture and Fixtures [Member] | Minimum [Member]
Property and Equipment, Useful Life (Year)	1 year
Furniture and Fixtures [Member] | Maximum [Member]
Property and Equipment, Useful Life (Year)	10 years
Furniture and Fixtures [Member] | Pinnacle Acquisition [Member]
Property and Equipment, Recorded Amount	$ 69,857
Furniture and Fixtures [Member] | Pinnacle Acquisition [Member] | Minimum [Member]
Property and Equipment, Useful Life (Year)	2 years
Furniture and Fixtures [Member] | Pinnacle Acquisition [Member] | Maximum [Member]
Property and Equipment, Useful Life (Year)	10 years