Employee Benefit Plans (Schedule of Fair Value Measurement of Pension Plan) (Details) - USD ($) $ in Thousands		Dec. 31, 2015		Dec. 31, 2014
Fair value [Member]
Fair value of plan assets		$ 1,722		$ 1,590
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets		1,631		1,494
Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets		$ 91		$ 96
Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets
Large Cap Value [Member] | Fair value [Member]
Fair value of plan assets	[1]	$ 96		$ 103
Large Cap Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets	[1]	$ 96		$ 103
Large Cap Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets	[1]
Large Cap Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets	[1]
Large Cap Core [Member] | Fair value [Member]
Fair value of plan assets	[2]	$ 132		$ 139
Large Cap Core [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets	[2]	$ 132		$ 139
Large Cap Core [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets	[2]
Large Cap Core [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets	[2]
Mid Cap Core [Member] | Fair value [Member]
Fair value of plan assets	[3]	$ 118		$ 131
Mid Cap Core [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets	[3]	$ 118		$ 131
Mid Cap Core [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets	[3]
Mid Cap Core [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets	[3]
Small-Cap Core [Member] | Fair value [Member]
Fair value of plan assets		$ 57	[4]	$ 63	[5]
Small-Cap Core [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets		$ 57	[4]	$ 63	[5]
Small-Cap Core [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets			[4]		[5]
Small-Cap Core [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets			[4]		[5]
International Core [Member] | Fair value [Member]
Fair value of plan assets	[6]	$ 271		$ 264
International Core [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets	[6]	$ 271		$ 264
International Core [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets	[6]
International Core [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets	[6]
Large Cap Growth [Member] | Fair value [Member]
Fair value of plan assets	[7]	$ 205		$ 202
Large Cap Growth [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets	[7]	$ 205		$ 202
Large Cap Growth [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets	[7]
Large Cap Growth [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets	[7]
Small/Midcap Growth [Member] | Fair value [Member]
Fair value of plan assets	[8]	$ 60		$ 57
Small/Midcap Growth [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets	[8]	$ 60		$ 57
Small/Midcap Growth [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets	[8]
Small/Midcap Growth [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets	[8]
Fixed Income-US Core [Member] | Fair value [Member]
Fair value of plan assets		$ 501	[9]	$ 172	[10]
Fixed Income-US Core [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets		$ 501	[9]	$ 172	[10]
Fixed Income-US Core [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets			[9]		[10]
Fixed Income-US Core [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets			[9]		[10]
Intermediate Duration [Member] | Fair value [Member]
Fair value of plan assets		$ 166	[11]	$ 341	[12]
Intermediate Duration [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets		$ 166	[11]	$ 341	[12]
Intermediate Duration [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets			[11]		[12]
Intermediate Duration [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets			[11]		[12]
Common/Collective Trusts-Equity - Large Cap Value [Member] | Fair value [Member]
Fair value of plan assets	[13]	$ 91		$ 96
Common/Collective Trusts-Equity - Large Cap Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets	[13]
Common/Collective Trusts-Equity - Large Cap Value [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets	[13]	$ 91		$ 96
Common/Collective Trusts-Equity - Large Cap Value [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets	[13]
Cash Money Market [Member] | Fair value [Member]
Fair value of plan assets		$ 25		$ 22
Cash Money Market [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair value of plan assets		$ 25		$ 22
Cash Money Market [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair value of plan assets
Cash Money Market [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair value of plan assets

[1] This category consists of a mutual fund holding 100-160 stocks, designed to track and outperform the Russell 1000 Value Index.

[2] This category contains stocks of the S&P 500 Index. The stocks are maintained in approximately the same weightings as the index.

[3] This category contains stocks of the MSCI U.S. Mid Cap 450 Index. The stocks are maintained in approximately the same weightings as the index.

[4] This category contains stocks whose sector weightings are maintained within a narrow band around those of the Russell 2000 Index. The portfolio will typically hold more than 150 stocks.

[5] This category consists of 400 or more small and micro-cap companies, with as much as 25% invested in non-U.S. equities.

[6] This category consists of investments with long-term growth potential located primarily in Europe, the Pacific Basin, and other developed emerging countries.

[7] This category consists of two mutual funds, one which invests primarily of large U.S. – based growth companies, the other in fast-growing large cap growth companies with sustainable franchises and positive price momentum.

[8] This category seeks capital appreciation through investments in common stock of small-capitalization companies, defined as those with a total market value of no more than $2 billion at the time the fund first invests in them.

[9] This category currently includes equal investments in three mutual funds, two of which usually hold at least 80% of fund assets in investment grade fixed income securities, seeking to outperform the Barclays US Aggregate Bond Index while maintaining a similar duration to that Index. The third fund targets investments of 50% or more in mortgage--backed securities guaranteed by the US government and its agencies..

[10] This category consists of a passively managed portfolio modeled after the Barclays Capital US Aggregate Float Adjusted Index. The fund invests in Treasury, Agency, corporate, mortgage-backed and asset-backed securities, maintaining a dollar-weighted maturity ranging between 5 and 10 years.

[11] This category consists of a mutual fund which invest in a diversified portfolio of high-quality bonds and other fixed income securities, including U.S. Government obligations, mortgage-related and asset-backed securities, corporate and municipal bonds, CMOs, and other securities mostly rated A or better.

[12] This category consists of a pair of mutual funds which invest in diversified portfolios of high-quality bonds and other fixed income securities, including U.S. Government obligations, mortgage-related and asset-backed securities, corporate and municipal bonds, CMOs, and other securities mostly rated A or better.

[13] This category contains large-cap stocks with above-average yield. The portfolio typically holds between 60 and 70 stocks.