Dividends Declared and Paid - Additional Information (Details) - $ / shares																											3 Months Ended								12 Months Ended
	Dec. 30, 2016	Nov. 30, 2016	Oct. 31, 2016	Sep. 30, 2016	Aug. 31, 2016	Jul. 29, 2016	Jun. 30, 2016	May 31, 2016	Apr. 29, 2016	Mar. 31, 2016	Feb. 29, 2016	Jan. 29, 2016	Jan. 29, 2016	Jan. 15, 2016	Dec. 31, 2015	Nov. 30, 2015	Oct. 30, 2015	Sep. 30, 2015	Aug. 31, 2015	Jul. 31, 2015	Jun. 30, 2015	May 29, 2015	Apr. 30, 2015	Mar. 31, 2015	Feb. 27, 2015	Jan. 30, 2015	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Equity [Abstract]
Total regular dividends declared (in dollars per shares)																																			$ 1.30
Regular Long-term incentive plan (LTIP) units, distributions per unit (in dollars per share)															$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1					$ 0.3	$ 0.3	$ 0.3	$ 0.3	1.30	$ 1.2
Common shares, dividend declared per share (in dollars per share)	$ 0.11	$ 0.11	$ 0.11	$ 0.11	$ 0.11	$ 0.11	$ 0.11	$ 0.11	$ 0.11	$ 0.11	$ 0.1	$ 0.08	$ 0.1	$ 0.08	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.33	$ 0.33	$ 0.33	$ 0.39	$ 0.3	$ 0.3	$ 0.3	$ 0.3	$ 1.38	$ 1.2
Percentage of distribution considered taxable income																																			90.00%	94.00%
Percentage of distribution considered capital gain																																			10.00%	6.00%