Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 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 income (loss), which is presented net of tax, for the three and six months ended June 30, 2015 and 2014:

	Defined Benefit Pension Items		Unrealized Gains and (Losses) on Available-for-Sale Securities			Total
Accumulated other comprehensive loss at March 31, 2015	$	—	$	(552	)	$	(552	)
Other comprehensive income before reclassifications	—		1,200			1,200
Amounts reclassified from accumulated other comprehensive loss	—		—			—
Other comprehensive income	—		1,200			1,200
Accumulated other comprehensive income at June 30, 2015	$	—	$	648		$	648

	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	—		1,973			1,973
Amounts reclassified from accumulated other comprehensive loss	—		—			—
Other comprehensive income	—		1,973			1,973
Accumulated other comprehensive income at June 30, 2015	$	—	$	648		$	648

	Defined Benefit Pension Items			Unrealized Gains and (Losses) on Available-for-Sale Securities			Total
Accumulated other comprehensive loss at March 31, 2014	$	(5,415	)	$	(2,362	)	$	(7,777	)
Other comprehensive loss before reclassifications	(115		)	311			196
Amounts reclassified from accumulated other comprehensive loss	200			266			466
Other comprehensive income	85			577			662
Accumulated other comprehensive loss at June 30, 2014	$	(5,330	)	$	(1,785	)	$	(7,115	)

	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	(367		)	(173		)	(540		)
Amounts reclassified from accumulated other comprehensive loss	429			513			942
Other comprehensive income	62			340			402
Accumulated other comprehensive loss at June 30, 2014	$	(5,330	)	$	(1,785	)	$	(7,115	)

	Amount Reclassified from Accumulated Other Comprehensive Loss					Amount Reclassified from Accumulated Other Comprehensive Loss
	Three Months Ended   June 30,					Six Months Ended   June 30,
Details about Accumulated Other Comprehensive Loss Components	2015		2014			2015		2014			Affected Line in the Condensed Consolidated Statements of Operations
Defined benefit pension items
Amortization of loss	$	—	$	125		$	—	$	257		Net periodic pension costs, Note 14, Employee Benefit Plans
Settlement cost	—		200			—		440			Net periodic pension costs, Note 14, Employee Benefit Plans
Total before tax	—		325			—		697
Income tax benefit	—		(125		)	—		(268		)
Net of tax	—		200			—		429
Items related to available-for-sale securities
Realized loss on sale	—		432			—		833			Investment income, net, Note 4, Investments
Income tax benefit	—		(166		)	—		(320		)
Net of tax	—		266			—		513
Total reclassifications for the period, net of tax	$	—	$	466		$	—	$	942

Reclassification out of Accumulated Other Comprehensive Income

	Amount Reclassified from Accumulated Other Comprehensive Loss					Amount Reclassified from Accumulated Other Comprehensive Loss
	Three Months Ended   June 30,					Six Months Ended   June 30,
Details about Accumulated Other Comprehensive Loss Components	2015		2014			2015		2014			Affected Line in the Condensed Consolidated Statements of Operations
Defined benefit pension items
Amortization of loss	$	—	$	125		$	—	$	257		Net periodic pension costs, Note 14, Employee Benefit Plans
Settlement cost	—		200			—		440			Net periodic pension costs, Note 14, Employee Benefit Plans
Total before tax	—		325			—		697
Income tax benefit	—		(125		)	—		(268		)
Net of tax	—		200			—		429
Items related to available-for-sale securities
Realized loss on sale	—		432			—		833			Investment income, net, Note 4, Investments
Income tax benefit	—		(166		)	—		(320		)
Net of tax	—		266			—		513
Total reclassifications for the period, net of tax	$	—	$	466		$	—	$	942