Long-term Borrowings (Components and Collateral) (Details) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Borrowings [Line Items]    
Long-term borrowings $ 0 $ 15,514,000
Long-term Loan Facilities, Total [Member]
   
Borrowings [Line Items]    
Long-term borrowings 0 15,514,000
Loans and Leases Receivable, Collateral for Long-term Borrowings $ 14,999,000 $ 45,076,000