Related Party Transactions (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
TDR [Member]
Related Party Transaction [Line Items]
Sales total	$ 2,275,000	$ 1,551,000	$ 236,000
Recognized gains, net	1,449,000	823,000	67,000
Related party expense	603,000	608,000	534,000
Other operating revenue	4,141,000	3,836,000	3,965,000
Receivables	858,000	2,105,000
Principal Stockholder [Member]
Related Party Transaction [Line Items]
Lease annual rent payments	1.00
Leasehold improvements to land total	6,500,000
Related party expense	$ 93,000