Note 8 - Other Assets (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Deposit with the IRS (Note 9)		$ 88,557		$ 88,557
Corporate-owned life insurance		83,865		83,248
Property and equipment	[1],[2]	74,241		70,665
Accrued investment income		30,381		29,255
Deferred policy acquisition costs		13,724		14,127
Reinsurance recoverables		7,849		7,368
Other		58,818		50,615
Total other assets		357,435		343,835
Property and Equipment, Owned, Accumulated Depreciation		122,600		118,500
Depreciation		4,100	$ 2,300
Technology Upgrade Related Costs [Member]
Property and equipment		$ 48,400		$ 49,700

[1] Includes $48.4 million and $49.7 million at March 31, 2017 and December 31, 2016, respectively, related to our technology upgrade project.

[2] Property and equipment at cost, less accumulated depreciation of $122.6 million and $118.5 million at March 31, 2017 and December 31, 2016, respectively. Depreciation expense was $4.1 million and $2.3 million for the three-month periods ended March 31, 2017 and 2016, respectively.