Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v2.4.0.8
Long-Term Debt (Narrative) (Details) (USD $)
3 Months Ended 0 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Senior Secured Revolving Credit Facility [Member]
Mar. 31, 2014
Senior Secured Revolving Credit Facility [Member]
Base Rate [Member]
Mar. 31, 2014
Senior Secured Revolving Credit Facility [Member]
London Interbank Offered Rate (LIBOR) [Member]
Mar. 31, 2014
Senior Secured Revolving Credit Facility [Member]
Minimum [Member]
Mar. 31, 2014
Senior Secured Revolving Credit Facility [Member]
Minimum [Member]
Base Rate [Member]
Mar. 31, 2014
Senior Secured Revolving Credit Facility [Member]
Minimum [Member]
London Interbank Offered Rate (LIBOR) [Member]
Mar. 31, 2014
Senior Secured Revolving Credit Facility [Member]
Maximum [Member]
Mar. 31, 2014
Senior Secured Revolving Credit Facility [Member]
Maximum [Member]
Base Rate [Member]
Mar. 31, 2014
Senior Secured Revolving Credit Facility [Member]
Maximum [Member]
London Interbank Offered Rate (LIBOR) [Member]
Mar. 31, 2014
Letter of Credit [Member]
Mar. 31, 2014
Prior Revolving Credit Facility [Member]
Dec. 07, 2012
7.750%Senior Notes [Member]
Debt Instrument [Line Items]                            
Face amount                           $ 200,000,000.0
Stated interest rate                           7.75%
Proceeds from issuance of long-term debt 0 15,000,000                       191,900,000
Maximum borrowing capacity     300,000,000.0                 50,000,000.0 200,000,000.00  
Increase in borrowing capacity     100,000,000.0                      
Basis spread on variable rate       0.75% 1.75%   0.75% 1.75%   2.00% 3.00%      
Unused capacity commitment fee percentage     0.375%     0.375%     0.50%          
Line of credit outstanding     55,000,000                      
Remaining borrowing capacity     244,300,000                      
Letters of credit outstanding     700,000                      
Debt issuance cost     2,400,000                      
Payments on other long-term debt $ 700,000