v3.3.1.900
Fair Value of Financial Instruments (Details) - Recurring - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Fair value of financial instruments    
Cash equivalents (money market account)   $ 53,323
Other current liabilities (interest rate swaps) $ 119 855
Other long-term liabilities (interest rate swaps)   183
Total Liabilities   1,038
Level 1    
Fair value of financial instruments    
Cash equivalents (money market account)   53,323
Other current liabilities (interest rate swaps) 0 0
Other long-term liabilities (interest rate swaps)   0
Total Liabilities   0
Level 2    
Fair value of financial instruments    
Cash equivalents (money market account)   0
Other current liabilities (interest rate swaps) 119 855
Other long-term liabilities (interest rate swaps)   183
Total Liabilities   1,038
Level 3    
Fair value of financial instruments    
Cash equivalents (money market account)   0
Other current liabilities (interest rate swaps) $ 0 0
Other long-term liabilities (interest rate swaps)   0
Total Liabilities   $ 0