Note 12 - Notes Payable - Repaid Notes (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Senior Note 1 [Member]
Amount Repaid	$ 300.0	[1]
Interest Rate	6.875%	[1]
Senior Note 2 [Member]
Amount Repaid	$ 15.1	[2]
Interest Rate	3.20%	[2]

[1] The Company recorded an early extinguishment of debt charge of $12.8 million resulting from the early repayment of these notes.

[2] Represents partial repayments. As of December 31, 2018, these notes had an outstanding balance of $484.9 million.