v3.3.1.900

Partners' Capital and Partnership Distributions (Details) | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2015 partnership_interest shares | Sep. 30, 2015 shares | Jun. 30, 2015 shares | Mar. 31, 2015 shares | Dec. 31, 2014 shares | Sep. 30, 2014 shares | Jun. 30, 2014 shares | Mar. 31, 2014 shares | Dec. 31, 2013 shares | Sep. 30, 2013 shares | Jun. 30, 2013 shares | Mar. 31, 2013 shares | Dec. 31, 2012 shares
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of types of partnership interests outstanding | partnership_interest | 2 |  |  |  |  |  |  |  |  |  |  |  |
Common units issued (in units) | 73,128,269 |  |  |  | 73,122,997 |  |  |  |  |  |  |  |
Common units outstanding (in units) | 73,128,269 | 73,123,000 | 73,123,000 | 73,123,000 | 73,122,997 | 73,117,000 | 73,114,000 | 73,113,000 | 73,113,000 | 73,078,000 | 73,075,000 | 73,065,000 | 73,065,000
Maximum period after the end of each quarter of cash distribution to common unitholders | 60 days |  |  |  |  |  |  |  |  |  |  |  |
CRLLC |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common units outstanding (in units) | 38,920,000 |  |  |  |  |  |  |  |  |  |  |  |
Secondary Offering | CRLLC |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of common units owned by CRLLC | 53.00% |  |  |  |  |  |  |  |  |  |  |  |

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