Stock-Based Compensation (Options Outstanding & Exercisable) (Details)	12 Months Ended
	Dec. 31, 2015 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding Shares, Beginning Balance | shares	38,577
Expired | shares	18,267
Outstanding Shares, Ending Balance | shares	20,310
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Options Outstanding, Weighted Average Exercise Price	$ 28.09
Options Expired, Weighted Average Exercise Price	27.27
Options Outstanding, Weighted Average Exercise Price	$ 28.83
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options Outstanding, Weighted Average Remaining Contractual Term	4 months
Options Outstanding, Intrinsic Value | $	$ 0
Options Exercisable | shares	20,310
Options Exercisable, Weighted Average Exercise Price	$ 28.83
Options Exercisable, Weighted Average Remaining Contractual Term	4 months
Options Exercisable, Intrinsic Value | $	$ 0
Options Outstanding & Exercisable, Common Shares Subject to Options Outstanding | shares	20,310.00
Options Outstanding & Exercisable, Weighted-Average Remaining Contractual Life	4 months
Options Outstanding & Exercisable, Weighted-Average Exercise Price (usd per share)	$ 28.83
Exercise Price Range Five [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options Outstanding & Exercisable, Range of Exercise Prices, Lower Range Limit	$ 28.25
Options Outstanding & Exercisable, Common Shares Subject to Options Outstanding | shares	10,310
Options Outstanding & Exercisable, Weighted-Average Remaining Contractual Life	1 month
Options Outstanding & Exercisable, Weighted-Average Exercise Price (usd per share)	$ 28.25
Exercise Price Range Six [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options Outstanding & Exercisable, Range of Exercise Prices, Lower Range Limit	28.57
Options Outstanding & Exercisable, Range of Exercise Prices, Upper Range Limit	$ 30
Options Outstanding & Exercisable, Common Shares Subject to Options Outstanding | shares	10,000
Options Outstanding & Exercisable, Weighted-Average Remaining Contractual Life	5 months
Options Outstanding & Exercisable, Weighted-Average Exercise Price (usd per share)	$ 29.43