Employee Benefit Plans (Multi-Employer Pension And Other Postretirement Benefit Plans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Multiemployer Plans [Line Items]
Contribution Amount	$ 3,011		$ 3,195		$ 3,548
WSC [Member] | MM&P [Member]
Multiemployer Plans [Line Items]
Contribution Amount	664	[1]	996	[1]	1,297	[1]
Surcharge Imposed	No	[1]
Expiration Date, First	Sep. 30, 2025	[1]
Expiration Date, Last	Sep. 30, 2025	[1]
WSC [Member] | MEBA [Member]
Multiemployer Plans [Line Items]
Contribution Amount	259	[1]	311	[1]	408	[1]
Surcharge Imposed	No	[1]
Expiration Date	Sep. 30, 2020	[1]
WSC [Member] | ARA [Member]
Multiemployer Plans [Line Items]
Contribution Amount			2	[1]	20	[1]
Surcharge Imposed	No	[1]
WSC [Member] | SPP [Member]
Multiemployer Plans [Line Items]
Contribution Amount	80	[1]	81	[1]	61	[1]
Surcharge Imposed	No	[1]
Expiration Date, First	Sep. 30, 2017	[1]
Expiration Date, Last	Dec. 31, 2016	[1]
SCI [Member] | MM&P [Member]
Multiemployer Plans [Line Items]
Contribution Amount	468	[1]	298	[1]	280	[1]
Expiration Date	Jun. 30, 2027	[1]
SCI [Member] | MEBA [Member]
Multiemployer Plans [Line Items]
Contribution Amount	125	[1]	68	[1]	62	[1]
Expiration Date	Jun. 30, 2017	[1]
SCI [Member] | SPP [Member]
Multiemployer Plans [Line Items]
Contribution Amount	72	[1]	20	[1]	18	[1]
Expiration Date	Jun. 30, 2017	[1]
CGL [Member] | MM&P [Member]
Multiemployer Plans [Line Items]
Contribution Amount	950	[1]	1,039	[1]	1,029	[1]
Expiration Date, First	Sep. 30, 2025	[1]
Expiration Date, Last	Jun. 30, 2020	[1]
CGL [Member] | MEBA [Member]
Multiemployer Plans [Line Items]
Contribution Amount	249	[1]	242	[1]	237	[1]
Expiration Date, First	Sep. 30, 2020	[1]
Expiration Date, Last	Jun. 30, 2020	[1]
CGL [Member] | ARA [Member]
Multiemployer Plans [Line Items]
Contribution Amount	54	[1]	52	[1]	51	[1]
Expiration Date, First	Sep. 30, 2015	[1]
Expiration Date, Last	Jun. 30, 2017	[1]
CGL [Member] | SPP [Member]
Multiemployer Plans [Line Items]
Contribution Amount	$ 90	[1]	$ 86	[1]	$ 85	[1]
Expiration Date, First	Dec. 31, 2016	[1]
Expiration Date, Last	Jun. 30, 2017	[1]

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