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Subsequent Event-Amendment to Credit Facility (Details) (USD $)
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12 Months Ended | 0 Months Ended | 0 Months Ended | 0 Months Ended | 0 Months Ended | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2012
July 2011 Credit Facility
Credit Facility
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Dec. 31, 2012
July 2011 Credit Facility
Term Loans
|
Jul. 31, 2011
July 2011 Credit Facility
Term Loans
|
Dec. 31, 2012
July 2011 Credit Facility
Revolving Loans
|
Jul. 31, 2011
July 2011 Credit Facility
Revolving Loans
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Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Credit Facility
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Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Credit Facility
March 8, 2013 to June 29, 2014
Maximum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Credit Facility
March 8, 2013 to June 29, 2014
Minimum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Credit Facility
June 30, 2014 to June 29, 2015
Maximum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Credit Facility
June 30, 2014 to June 29, 2015
Minimum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Credit Facility
June 30, 2015 and thereafter
Maximum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Credit Facility
June 30, 2015 and thereafter
Minimum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
|
Mar. 15, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
Greater than 3.00
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
Greater than 3.00
Minimum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
2.25 to 3.00
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Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
2.25 to 3.00
Maximum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
2.25 to 3.00
Minimum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
1.25 to 2.25
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
1.25 to 2.25
Maximum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
1.25 to 2.25
Minimum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
Less than 1.25
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
Less than 1.25
Maximum
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
March 31, 2013
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
June 30, 2013
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
September 30, 2013
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
December 31, 2013
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Term Loans
Each quarter thereafter
|
Mar. 08, 2013
Subsequent event
March 2013 Amended Credit Facility
Revolving Loans
|
|
| Subsequent event-Amendment to Credit Facility | ||||||||||||||||||||||||||||||
| Consolidated leverage ratio | 3.38 | 4.00 | 3.50 | 3.25 | 3.00 | 3.00 | 2.25 | 2.25 | 1.25 | 1.25 | ||||||||||||||||||||
| Consolidated fixed charge coverage ratio | 330.00% | 105.00% | 110.00% | 110.00% | ||||||||||||||||||||||||||
| Maximum borrowing capacity | $ 490,000,000 | $ 120,000,000 | $ 120,000,000 | $ 50,000,000 | ||||||||||||||||||||||||||
| Increase of interest rate percentage on borrowings | 0.010 | |||||||||||||||||||||||||||||
| Margin (as a percent) | 4.50% | 6.00% | ||||||||||||||||||||||||||||
| LIBOR floor rate (as a percent) | 1.25% | |||||||||||||||||||||||||||||
| Minimum quarterly principal payment | 1,225,000 | 8,575,000 | 8,575,000 | 8,575,000 | 6,125,000 | |||||||||||||||||||||||||
| Percentage of mandatory prepayments of excess cash flow depending on consolidated leverage ratio | 75.00% | 50.00% | 25.00% | 0.00% | ||||||||||||||||||||||||||
| Annual capital expenditures limit | 30,000,000 | |||||||||||||||||||||||||||||
| Principal payment | 50,000,000 | 25,000,000 | ||||||||||||||||||||||||||||
| Consent and arrangement fees | $ 2,600,000 | |||||||||||||||||||||||||||||