Note 8 - Other Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Deposit with the IRS (Note 12)		$ 88,557	$ 88,557
Corporate-owned life insurance		83,098	82,543
Property and equipment	[1]	51,003	46,802
Accrued investment income		27,710	25,620
Deferred policy acquisition costs		11,597	14,267
Reinsurance recoverables		9,066	11,044
Other		54,098	45,096
Total other assets		325,129	313,929
Property and Equipment, Owned, Accumulated Depreciation		$ 109,200	$ 106,900

[1] Property and equipment, at cost less accumulated depreciation of $109.2 million and $106.9 million at March 31, 2016 and December 31, 2015, respectively.