Retirement Benefits (Tables)

12 Months Ended

Dec. 31, 2012

Retirement Benefits [Abstract]

Reconciliation of benefit obligation and funded status of supplemental retirement program

	December 31,
	2012			2011
Projected benefit obligation, beginning of year	$	21,488		$	19,703
Interest cost		935			1,001
Assumption changes		2,263			1,617
Actuarial (gain) loss		145			253
Benefit payments		(1,157	)		(1,086	)
Projected benefit obligation, end of year	$	23,674		$	21,488
Unfunded status	$	23,674		$	21,488
Accumulated loss		(7,523	)		(5,298	)
Net amount recognized	$	16,151		$	16,190

Amounts recognized in consolidated balance sheets

Amounts recognized in consolidated balance sheets consist of (in thousands):

	December 31,
	2012			2011
Accrued pension liability	$	23,674		$	21,488
Accumulated other comprehensive loss		(7,523	)		(5,298	)
Net amount recognized	$	16,151		$	16,190
Assumptions used to determine pension obligations are as follows:
Discount rate		3.55	%		4.48	%
Rate of compensation increase		N/A			N/A

Net periodic pension cost for the Company's supplemental retirement program

The net periodic pension cost for the Company’s supplemental retirement program is as follows (in thousands):

	Year Ended December 31,
	2012		2011		2010
Interest cost	$	935	$	1,001	$	1,017
Amortization of loss		182		86		39
Net periodic pension cost	$	1,117	$	1,087	$	1,056

Company estimates that benefits expected to be paid to participants under the supplemental retirement program and postretirement health insurance program

The Company estimates that benefits expected to be paid to participants under the supplemental retirement program and postretirement health insurance program are as follows (in thousands):

	Supplemental Retirement Program		Postretirement Health Insurance Program
2013	$	1,308	$	60
2014		1,319		64
2015		1,455		69
2016		1,564		52
2017		1,524		56
Next 5 years		7,229		—
	$	14,399	$	301