Pension and Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2015

Compensation And Retirement Disclosure [Abstract]

Schedule of Changes in Projected Benefit Obligations

The following tables set forth the plans’ changes in benefit obligations, plan assets and funded status on the measurement dates, December 31, 2015, 2014 and 2013, and amounts recognized in our consolidated balance sheets as of those dates.

	Pension Benefits									Other Benefits
(Table only in thousands)	2015			2014			2013			2015			2014			2013
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	38,208		$	32,311		$	8,535			n/a			n/a			n/a
Accumulated postretirement benefit obligation		n/a			n/a			n/a		$	155		$	116		$	89
Projected benefit obligation from acquisition		—			—			24,364			—			—			—
Service cost		233			204			126			—			—			—
Interest cost		1,412			1,428			676			5			5			3
Amendments		—			—			—			9			24			44
Actuarial (gain)/loss		(1,744	)		6,015			(509	)		18			38			8
Administrative expenses		(214	)		(174	)		(126	)		—			—			—
Benefits paid		(1,755	)		(1,576	)		(755	)		(28	)		(28	)		(28	)
Projected benefit obligation at end of year		36,140			38,208			32,311			159			155			116
Change in plan assets:
Fair value of plan assets at beginning of year		27,302			25,822			5,549			—			—			—
Fair value of plan assets from acquisition		—			—			18,654			—			—			—
Actual return on plan assets		(443	)		1,404			2,291			—			—			—
Employer contribution		406			1,826			209			28			28			28
Administrative expenses		(214	)		(174	)		(126	)		—			—			—
Benefits paid		(1,755	)		(1,576	)		(755	)		(28	)		(28	)		(28	)
Fair value of plan assets at end of year		25,296			27,302			25,822			—			—			—
Funded status	$	(10,844	)	$	(10,906	)	$	(6,489	)	$	(159	)	$	(155	)	$	(116	)
Defined benefit liabilities included in accounts payable and accrued expenses	$	—		$	—		$	—		$	(26	)	$	(25	)	$	(21	)
Defined benefit liabilities included in other liabilities		(10,844	)		(10,906	)		(6,489	)		(133	)		(130	)		(95	)
Deferred tax benefit (expense) associated with accumulated other comprehensive loss (income)		3,154			2,983			608			15			8			(18	)
Accumulated other comprehensive loss (income), net of tax		5,144			4,865			856			27			14			(27	)
Net amount recognized	$	(2,546	)	$	(3,058	)	$	(5,025	)	$	(117	)	$	(133	)	$	(161	)
Other comprehensive income (loss):
Net loss (gain)	$	708		$	6,561		$	(1,926	)	$	17		$	38		$	8
Prior service cost		—			—			—			9			24			44
Amortization of prior service cost		—			(4	)		(1	)		(9	)		(6	)		—
Amortization of net actuarial loss (gain)		(258	)		(173	)		(370	)		3			11			14
Total recognized in other comprehensive income (loss)	$	450		$	6,384		$	(2,297	)	$	20		$	67		$	66
Accumulated other comprehensive income (loss):
Net loss (gain)	$	8,298		$	7,848		$	1,460		$	(20	)	$	(40	)	$	(89	)
Prior service cost		—			—			4			62			62			44
Amount recognized in accumulated other comprehensive income (loss)	$	8,298		$	7,848		$	1,464		$	42		$	22		$	(45	)
Weighted-average assumptions used to determine benefit obligations for the year ended December 31:
Discount rate		4.00	%		3.75	%		4.50	%		3.00	%		3.75	%		4.50	%
Compensation increase rate		n/a			n/a			n/a			n/a			n/a			n/a

Weighted-average Assumptions Used to Determine Net Periodic Benefit Cost

The details of net periodic benefit cost for pension benefits included in the accompanying Consolidated Statements of Operations for the years ended December 31, 2015, 2014 and 2013 are as follows:

(Table only in thousands)	2015			2014			2013
Service cost	$	233		$	204		$	126
Interest cost		1,412			1,428			676
Expected return on plan assets		(2,009	)		(1,950	)		(871	)
Net amortization and deferral		258			177			370
Net periodic benefit cost	$	(106	)	$	(141	)	$	301
Weighted-average assumptions used to determine net periodic benefit costs for the years ended December 31:
Discount rate		3.75	%		4.50	%	3.75% to 4.50%
Expected return on assets		7.50	%		7.50	%		7.50%
Compensation increase rate		n/a			n/a			n/a

Details of Defined Benefit Pension Plan Asset Allocation by Asset Category

Our defined benefit pension plan asset allocation by asset category is as follows:

	Target Allocation			Percentage of Plan Assets
	2015			2015			2014
Asset Category:
Cash and cash equivalents		0	%		25	%		0	%
Equity securities		70	%		52	%	64% - 67%
Debt securities		30	%		23	%	33% - 36%
Total		100	%		100	%		100	%

Disclosure of Fair Value Measurements of Pension Plan Assets

The levels assigned to the defined benefit plan assets as of December 31, 2015, are summarized in the tables below:

(Table only in thousands)	Level 1		Level 2		Level 3		Total
Pension assets, at fair value:
Cash and cash equivalents	$	6,397	$	—	$	—	$	6,397
Equity securities		13,187		—		—		13,187
Debt securities		5,712		—		—		5,712
Total assets	$	25,296	$	—	$	—	$	25,296

The levels assigned to the defined benefit plan assets as of December 31, 2014, are summarized in the tables below:

(Table only in thousands)	Level 1		Level 2		Level 3		Total
Pension assets, at fair value:
Cash and cash equivalents	$	1,310	$	—	$	—	$	1,310
Equity securities		18,274		—		—		18,274
Debt securities		7,718		—		—		7,718
Total assets	$	27,302	$	—	$	—	$	27,302

Summary of Pension Fund General Information

Pension Fund	EIN/Pension Plan Number	Pension Protection Act Zone Status 2012	FIF/RP Status Pending/ Implemented	Surcharge Imposed	Expiration of Collective Bargaining Agreement
Sheet Metal Workers’ National Pension Fund	52-6112463/001	Yellow	FIF: Yes - Implemented RP: Yes - Implemented	No	various
Sheet Metal Workers Local 224 Pension Plan	31-6171353/001	Red	RP: Yes - Implemented	No	May 31, 2016
Sheet Metal Workers Local No. 20, Indianapolis Area Pension fund	51-0168516/001	Green	Is not subject	No	May 31, 2017
Sheet Metal Workers Local No. 177 Pension Fund	62-6093256/001	Green	Is not subject	No	May 1, 2018