Note G - Accumulated Other Comprehensive Income - Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
AOCI tax, balance	$ 3,804	$ 3,804	$ 4,331	$ 3,250
OCI before reclassifications, tax	230	618
Reclassification from AOCI, tax	$ 297	$ 64

Note G - Accumulated Other Comprehensive Income - Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] - USD ($)
$ in Thousands

3 Months Ended

9 Months Ended

Sep. 30, 2016

Jun. 30, 2016

Dec. 31, 2015

AOCI tax, balance

$ 3,804

$ 4,331

$ 3,250

OCI before reclassifications, tax

230

618

Reclassification from AOCI, tax

$ 297

$ 64