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	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2017
AOCI tax, balance	$ 3,851	$ 3,851
AOCI tax, balance	4,011	4,576
OCI before reclassifications, tax	(82)	(97)
Reclassification from AOCI, tax	$ (78)	$ (628)