Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Unrealized investment gains - taxes	$ 0	$ 0	$ 0	$ 664
Realized investment gains - taxes	0	0	0	(1)
Other Comprehensive Loss Reclassification Adjustment From AOCI For Sale Of Securities, Tax	0	0	0	273
Change in unfunded benefit obligation for pension and other postretirement benefit plans - taxes	$ 132	$ 60	$ 396	$ 181