Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2015

Stockholders' Equity Note [Abstract]

Summary of Changes in Accumulated Other Comprehensive Loss for Pension Plan Items

Following is a summary of the changes in the accumulated balances for each component of accumulated other comprehensive loss, which is presented net of tax, for the three months ended March 31, 2015 and 2014:

	Defined Benefit Pension Items		Unrealized Gains and (Losses) on Available-for-Sale Securities			Total
Accumulated other comprehensive loss at December 31, 2014	$	—	$	(1,325	)	$	(1,325	)
Other comprehensive income before reclassifications	—		773			773
Accumulated other comprehensive loss at March 31, 2015	$	—	$	(552	)	$	(552	)

	Defined Benefit Pension Items			Unrealized Gains and (Losses) on Available-for-Sale Securities			Total
Accumulated other comprehensive loss at December 31, 2013	$	(5,392	)	$	(2,125	)	$	(7,517	)
Other comprehensive loss before reclassifications	(252		)	(484		)	(736		)
Amounts reclassified from accumulated other comprehensive loss	229			247			476
Other comprehensive loss	(23		)	(237		)	(260		)
Accumulated other comprehensive loss at March 31, 2014	$	(5,415	)	$	(2,362	)	$	(7,777	)

	Amount Reclassified from Accumulated Other Comprehensive Loss
	Three Months Ended   March 31,
Details about Accumulated Other Comprehensive Loss Components	2015		2014		Affected Line in the Condensed Consolidated Statements of Operations
Defined benefit pension items
Amortization of loss	$	—	$	132	Net periodic pension costs, Note 14, Employee Benefit Plans
Settlement cost	—		240		Net periodic pension costs, Note 14, Employee Benefit Plans
Total before tax	—		372
Income tax benefit	—		143
Net of tax	—		229
Items related to available-for-sale securities
Realized loss on sale	—		401		Investment income, net, Note 4, Investments
Income tax benefit	—		154
Net of tax	—		247
Total reclassifications for the period, net of tax	$	—	$	476

Reclassification out of Accumulated Other Comprehensive Income

	Amount Reclassified from Accumulated Other Comprehensive Loss
	Three Months Ended   March 31,
Details about Accumulated Other Comprehensive Loss Components	2015		2014		Affected Line in the Condensed Consolidated Statements of Operations
Defined benefit pension items
Amortization of loss	$	—	$	132	Net periodic pension costs, Note 14, Employee Benefit Plans
Settlement cost	—		240		Net periodic pension costs, Note 14, Employee Benefit Plans
Total before tax	—		372
Income tax benefit	—		143
Net of tax	—		229
Items related to available-for-sale securities
Realized loss on sale	—		401		Investment income, net, Note 4, Investments
Income tax benefit	—		154
Net of tax	—		247
Total reclassifications for the period, net of tax	$	—	$	476