Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of Changes in Benefit Obligation and Plan Assets

The following table summarizes changes in the benefit obligation and plan assets for (i) SERP and (ii) the other postretirement benefit plan as of December 31, 2014 and 2013:

	SERP						Other Postretirement Benefits
	2014			2013			2014			2013
Benefit obligations:
Beginning of year	$	9,927		$	10,346		$	3,094		$	3,536
Service cost	270			326			45			42
Interest cost	456			377			132			173
Actuarial (gain) loss	777			(579		)	(134		)	(538		)
Benefits paid	(596		)	(543		)	(140		)	(119		)
End of year	10,834			9,927			2,997			3,094
Fair value of plan assets:
Beginning of year	—			—			—			—
Employer contributions	596			543			140			119
Benefits paid	(596		)	(543		)	(140		)	(119		)
End of year	—			—			—			—
Funded status at end of year, included in other liabilities	$	10,834		$	9,927		$	2,997		$	3,094
Amounts recognized in AOCI, net of tax:
Net actuarial loss	$	1,953		$	1,539		$	378		$	458
Prior service cost (credit)	17			29			(185		)	(185		)
Total	$	1,970		$	1,568		$	193		$	273

Schedule of Net Period Benefit Cost and Other Amounts Recognized in Other Comprehensive Income

The components of net period benefit cost and other amounts recognized in OCI, before taxes, were as follows:

	SERP									Other Postretirement Benefits
	2014			2013			2012			2014			2013			2012
Net period benefit cost:
Service cost	$	270		$	326		$	269		$	45		$	42		$	70
Interest cost	456			377			408			132			173			148
Recognized net actuarial loss	140			224			114			10			48			31
Amortization of prior service cost (credit)	19			19			19			(22		)	(23		)	—
Net period benefit cost	885			946			810			165			240			249
Changes in funded status recognized in OCI, before taxes:
Net actuarial (gain) loss	777			(579		)	1,334			(134		)	(538		)	275
Reclassifications to net period benefit cost:
Amortization of net unrecognized actuarial loss	(140		)	(224		)	(114		)	(10		)	(48		)	(31		)
Amortization of prior service (cost) credit	(19		)	(19		)	(19		)	22			23			—
Total recognized in OCI, before taxes	618			(822		)	1,201			(122		)	(563		)	244
Total recognized in net period benefit cost and OCI, before taxes	$	1,503		$	124		$	2,011		$	43		$	(323	)	$	493

Schedule of Assumptions Used in Determining Benefit Obligations and Net Period Benefit Costs

The following assumptions were used in determining benefit obligations and net period benefit costs:

	SERP						Other Postretirement Benefits
	2014		2013		2012		2014		2013		2012
Weighted-average assumptions as of end of year:
Discount rate for benefit obligation	4.00	%	4.75	%	3.75	%	4.00	%	5.02	%	4.05	%
Discount rate for net period benefit cost	4.75	%	3.75	%	4.75	%	5.02	%	4.05	%	4.75	%
Rate of compensation increase for benefit obligation	4.00	%	4.50	%	4.50	%	—		—		—
Rate of compensation increase for net periodic benefit cost	4.50	%	4.50	%	4.50	%	—		—		—
Health care cost trend rate assumed for future years	—		—		—		7.00	%	7.00	%	7.00	%

Schedule of Estimated Future Benefit Payments

The expected benefit payments for the next ten years are presented in the following table:

	SERP		Other Postretirement Benefits
2015	$	421	$	138
2016	489		135
2017	473		133
2018	473		128
2019	477		131
2020-2024	3,408		750