CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012
Net income (loss)	$ 6,212,236	$ (2,576,471)	$ 20,484,753		$ 16,647,264
OTHER COMPREHENSIVE INCOME (LOSS)
Change in unrealized holding gains (losses) on investment securities, net of deferred income tax expense (benefit) of ($12,910,017) and $1,465,263; ($9,211,661) and $7,938,801	(23,975,748)	2,721,204	(17,107,369)		14,743,489
Reclassification adjustment for realized investment (gains) losses included in net income (loss), net of income tax (expense) benefit of ($61,339) and $398,418; ($995,094) and ($2,722,997)	(113,914)	739,918	(1,848,032)		(5,056,996)
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit cost, net of deferred income tax expense of $193,891 and $233,993; $382,637 and $467,984:
Net actuarial loss	475,166	520,616	940,772		1,041,233
Prior service credit	(115,080)	(86,062)	(230,159)		(172,123)
Total reclassification adjustment associated with affiliate's pension and postretirement benefit plans	360,086	434,554	710,613		869,110
Other comprehensive income (loss)	(23,729,576)	3,895,676	(18,244,788)	[1]	10,555,603
Total comprehensive income (loss)	$ (17,517,340)	$ 1,319,205	$ 2,239,965		$ 27,202,867

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