Goodwill and Other Intangibles (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
(Decrease) increase in goodwill	$ (2,185,000)	$ 14,503,000
Goodwill impairment	0	0
Indefinite-lived intangible assets, other than goodwill	0	0
Amortization expense of amortizable intangible assets	4,000,000	4,700,000	6,100,000
Favorable leases [Member]
Weighted-average remaining useful life of favorable leases, in years	9 years 11 months 27 days
Unfavorable leases [Member]
Weighted-average remaining useful life of unfavorable leases, in years	4 years 11 months 2 days
Amortization benefit of unfavorable operating leases	$ 4,500,000	$ 5,700,000	$ 6,700,000