Net Income Per Limited Partner and General Partner Interest - Schedule of Earnings per Units by Class (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended									9 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Oct. 14, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Limited Partners' Capital Account [Line Items]
Net income (loss)	$ (472)	$ (1,077)	$ (1,362)	$ (4,393)	$ (846)	$ 6	$ 328	$ 2,283	$ 3,785	$ (7,206)	$ (7,678)	$ 6,402	$ 460,577
Less: Net income (loss) from discontinued operations		152	(183)	(194)	225	242	1,098	2,854	4,049		0	8,243	459,522
Loss from continuing operations		(1,229)	(1,179)	(4,199)	(1,071)	(236)	(770)	(571)	(264)		(7,678)	(1,841)	1,055
Distributable earnings											15,911	13,562	13,562
Distributions in excess of earnings											23,589	15,403	12,507
Targeted quarterly distribution amount (USD per share)											$ 0.2875	$ 0.2875	$ 0.2875
Targeted annual distribution amount (USD per share)											$ 1.15	$ 1.15	$ 1.15
Common Units [Member]
Limited Partners' Capital Account [Line Items]
Weighted average units outstanding											3,042,000	1,094,000	1,094,000
Net income (loss) from continuing operations attributable to our limited partner interests per limited partner unit (basic and diluted)											$ (0.29)	$ (0.16)	$ 0.09
Net income from discontinued operations attributable to our limited partner interests per limited partner unit (basic and diluted)											$ 0	$ 0.70	$ 38.97
Net loss per limited partner (basic and diluted)											$ (0.29)	$ 0.54	$ 39.06
Subordinated Units [Member]
Limited Partners' Capital Account [Line Items]
Weighted average units outstanding											10,464,000	10,464,000	10,464,000
Net income (loss) from continuing operations attributable to our limited partner interests per limited partner unit (basic and diluted)											$ (0.63)	$ (0.16)	$ 0.09
Net income from discontinued operations attributable to our limited partner interests per limited partner unit (basic and diluted)											$ 0	$ 0.70	$ 38.97
Net loss per limited partner (basic and diluted)											$ (0.63)	$ 0.54	$ 39.06
Limited Partner [Member] | Common Units [Member]
Limited Partners' Capital Account [Line Items]
Net income (loss)	(228)									(668)		594	42,709
Less: Net income (loss) from discontinued operations												765	42,611
Loss from continuing operations												(171)	98
Distributable earnings											3,499	1,258	1,258
Distributions in excess of earnings											4,395	1,429	1,160
Weighted average units outstanding											3,042,477	1,093,545	1,093,545
Distributable earnings per unit											$ 1.15	$ 1.15	$ 1.15
Overdistributed earnings per unit											$ (1.44)	$ (1.31)	$ (1.06)
Net income (loss) from continuing operations attributable to our limited partner interests per limited partner unit (basic and diluted)												$ (0.16)	$ 0.09
Net income from discontinued operations attributable to our limited partner interests per limited partner unit (basic and diluted)												$ 0.70	$ 38.97
Net loss per limited partner (basic and diluted)											$ (0.29)	$ 0.54	$ 39.06
Limited Partner [Member] | Subordinated Units [Member]
Limited Partners' Capital Account [Line Items]
Net income (loss)	(234)									(6,394)		5,680	408,657
Less: Net income (loss) from discontinued operations												7,314	407,721
Loss from continuing operations												(1,634)	936
Distributable earnings											12,033	12,033	12,033
Distributions in excess of earnings											18,661	13,667	11,097
Weighted average units outstanding											10,463,545	10,463,545	10,463,545
Distributable earnings per unit											$ 1.15	$ 1.15	$ 1.15
Overdistributed earnings per unit											$ (1.78)	$ (1.31)	$ (1.06)
Net income (loss) from continuing operations attributable to our limited partner interests per limited partner unit (basic and diluted)												$ (0.16)	$ 0.09
Net income from discontinued operations attributable to our limited partner interests per limited partner unit (basic and diluted)												$ 0.70	$ 38.97
Net loss per limited partner (basic and diluted)											$ (0.63)	$ 0.54	$ 39.06
Limited Partner [Member] | Class A Units [Member]
Limited Partners' Capital Account [Line Items]
Net income (loss)	0									0		0	0
Less: Net income (loss) from discontinued operations												0	0
Loss from continuing operations												0	0
Distributable earnings											61	0	0
Distributions in excess of earnings											61	0	0
Weighted average units outstanding											53,425	0	0
Distributable earnings per unit											$ 1.14	$ 0.00	$ 0.00
Overdistributed earnings per unit											$ (1.14)	$ 0.00	$ 0.00
Net income (loss) from continuing operations attributable to our limited partner interests per limited partner unit (basic and diluted)												$ 0.00	$ 0.00
Net income from discontinued operations attributable to our limited partner interests per limited partner unit (basic and diluted)												$ 0.00	$ 0.00
Net loss per limited partner (basic and diluted)											$ 0.00	$ 0.00	$ 0.00
General Partner [Member]
Limited Partners' Capital Account [Line Items]
Net income (loss)	(10)									(144)		128	9,211
Less: Net income (loss) from discontinued operations												164	9,190
Loss from continuing operations												(36)	21
Distributable earnings											318	271	271
Distributions in excess of earnings											$ 472	$ 307	$ 250
Weighted average units outstanding											427,083	427,083	427,083