Equity Investment

12 Months Ended

Dec. 31, 2015

Equity Method Investments and Joint Ventures [Abstract]

We account for our 49% investment in Ciner Wyoming LLC ("Ciner Wyoming", and formerly "OCI Wyoming LLC") using the equity method of accounting. Ciner Wyoming distributed $46.8 million, $46.6 million and $72.9 million to us in the year ended December 31, 2015, 2014 and 2013, respectively.

The difference between the amount at which the investment in Ciner Wyoming is carried and the amount of underlying equity in Ciner Wyoming's net assets was $154.8 million and $162.7 million as of December 31, 2015 and 2014, respectively. This excess basis relates to plant, property and equipment and right to mine assets. The excess basis difference that relates to property, plant and equipment is being amortized into income using the straight-line method over a weighted average of 28 years. The excess basis difference that relates to right to mine assets is being amortized into income using the units of production method.

Our equity in the earnings of Ciner Wyoming is summarized as follows (in thousands):



	For the Year Ended December 31,
	2015			2014			2013
Income allocation to NRP’s equity interests	$	54,709		$	47,354		$	37,036
Amortization of basis difference	(4,791		)	(5,938		)	(2,850		)
Equity in earnings of unconsolidated investment	$	49,918		$	41,416		$	34,186

The results of Ciner Wyoming’s operations are summarized as follows (in thousands):



	For the Year Ended December 31,
	2015		2014		2013
Sales	$	486,393	$	465,032	$	442,132
Gross profit	131,493		118,439		94,299
Net Income	111,650		96,640		79,655

The financial position of Ciner Wyoming is summarized as follows (in thousands):



	For the Year Ended December 31,
	2015		2014
Current assets	$	144,695	$	179,851
Noncurrent assets	233,845		223,053
Current liabilities	43,018		47,704
Noncurrent liabilities	116,808		149,192