Note 9 - Leases (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019		Jan. 01, 2019
Operating Lease, Right-of-Use Asset			$ 33,500
Operating Lease, Liability, Total	$ 32,867	[1]	$ 34,300
Lessee, Operating Lease, Lease Not yet Commenced, Binding Lease Payments	3,300
Financial Services Segment [Member] | Accounts Payable and Accrued Liabilities [Member]
Operating Lease, Liability, Total	$ 1,000
Company Headquarters [Member]
Lessee, Operating Lease, Term of Contract	10 years
Lessee, Operating Lease, Renewal Term	10 years
Minimum [Member]
Lessee, Operating Lease, Term of Contract	3 years
Maximum [Member]
Lessee, Operating Lease, Term of Contract	5 years

[1] Financial services operating lease liabilities of $1.0 million are included as a component of accrued liabilities in the financial services section of our consolidated balance sheet at September 30, 2019.