Note 8 - Other Assets (Details) - USD ($) $ in Thousands		Jun. 30, 2016	Dec. 31, 2015
Deposit with the IRS (Note 9)		$ 88,557	$ 88,557
Corporate-owned life insurance		85,579	82,543
Property and equipment	[1]	58,800	46,802
Accrued investment income		28,630	25,620
Deferred policy acquisition costs		12,304	14,267
Reinsurance recoverables		6,432	11,044
Other		52,070	45,096
Total other assets		332,372	313,929
Property and Equipment, Owned, Accumulated Depreciation		$ 111,500	$ 106,900

[1] Property and equipment, at cost less accumulated depreciation of $111.5 million and $106.9 million at June 30, 2016 and December 31, 2015, respectively.