Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2014

Accumulated Other Comprehensive Income (Loss), Net Of Tax [Abstract]

Summary of activity in accumulated other comprehensive income

			Investments	Defined Benefit			Accumulated
			Securities		Pension and		Other
			Available	Post Retirement			Comprehensive
			For Sale		Obligations		Income (Loss)
Balance January 1, 2014		$	(11,396)	$	(12,848)	$	(24,244)
Other comprehensive income before
	reclassifications		20,627		0		20,627
Amounts reclassified from accumulated other
	comprehensive income (loss)		(378)		331		(47)
Income tax expense			(7,786)		(127)		(7,913)
Net other comprehensive income during period			12,463		204		12,667
Balance March 31, 2014		$	1,067	$	(12,644)	$	(11,577)
Balance January 1, 2013		$	86,109	$	(37,506)	$	48,603
Other comprehensive loss before
	reclassifications		(9,931)		0		(9,931)
Amounts reclassified from accumulated other
	comprehensive income (loss)		(300)		1,090		790
Income tax (expense) benefit			3,950		(421)		3,529
Net other comprehensive income (loss) during period			(6,281)		669		(5,612)
Balance March 31, 2013		$	79,828	$	(36,837)	$	42,991