CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
OTHER COMPREHENSIVE INCOME (LOSS)
Change in unrealized holding gains (losses) on investment securities, deferred income tax expense (benefit)	$ (8,390,117)	$ 12,849,174	$ 10,712,640
Reclassification adjustment for realized investment gains included in net income (loss), income tax expense	(3,148,791)	(2,805,959)	(3,286,258)
Change in unrealized holding gains on fixed maturity securities with other-than-temporary impairment, deferred income tax expense	0	0	7,507
Reclassification adjustment for realized investment losses from fixed maturity securities with other-than-temporary impairment included in net income (loss), income tax benefit	0	0	30,106
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit cost, deferred income tax expense benefit	765,273	949,985	386,606
Change in funded status of affiliate's pension and postretirement benefit plans, deferred income tax expense (benefit)	$ 16,835,696	$ (2,195)	$ (6,318,661)