Consolidated Statements Of Cash Flows (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Cash Flows [Abstract]
Non cash net unrealized gain on investments, deferred tax provision	$ (1,288,951)	$ (730,555)	$ 969,710
Adjustments to postretirement benefits obligation, net of deferred tax benefit (provision)	$ 26,252	$ (28,192)	$ (39,130)