CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012
Net income	$ 7,199,643	$ 8,321,244	$ 27,684,396		$ 24,968,508
OTHER COMPREHENSIVE INCOME (LOSS)
Change in unrealized holding gains (losses) on investment securities, net of deferred income tax expense (benefit) of ($178,473), $6,150,961, ($9,390,134) and $14,089,762	(331,452)	11,423,214	(17,438,821)		26,166,703
Reclassification adjustment for realized investment (gains) losses included in net income, net of income tax (expense) benefit of ($352,524), $61,729, ($1,347,618) and ($2,661,268)	(654,685)	114,639	(2,502,717)		(4,942,357)
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit cost, net of deferred income tax expense of $191,318, $244,506, $573,955 and $712,490:
Net actuarial loss	470,386	540,144	1,411,158		1,581,377
Prior service credit	(115,079)	(86,061)	(345,238)		(258,184)
Total reclassification adjustment associated with affiliate's pension and postretirement benefit plans	355,307	454,083	1,065,920		1,323,193
Other comprehensive income (loss)	(630,830)	11,991,936	(18,875,618)	[1]	22,547,539
Total comprehensive income	$ 6,568,813	$ 20,313,180	$ 8,808,778		$ 47,516,047

[1] All amounts are net of tax. Amounts in parentheses indicate debits.