Acquisitions (Tables)

12 Months Ended

Dec. 31, 2016

Business Acquisition [Line Items]

Business Acquisition, Pro Forma Information

The following unaudited pro forma financial information is presented for informational purposes only and is not necessarily indicative of the results of operations as they would have been had the transaction occurred on the assumed date, nor is it necessarily an indication of trends in future results for a number of reasons, including, but not limited to, differences between the assumptions used to prepare the pro forma information, potential synergies, and cost savings from operating efficiencies.

In thousands	2016		2015 (Pro Forma)			2014 (Pro Forma)
Revenue	$	665,777	$	664,086		$	729,742
Income (loss) before income and mining taxes	1,113		(393,498		)	(1,587,128		)
Net income (loss)	55,352		(367,235		)	(1,158,874		)

Paramount Gold and Silver Corp. [Member]

Business Acquisition [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The purchase price and acquired assets and liabilities were as follows (in thousands except share data):

Common shares issued (32,667,327 at $5.78)	$	188,817
Cash	8,530
Transaction advisory fees and other acquisition costs	4,020
Total purchase price	201,367
Total assets acquired	307,193
Total liabilities assumed	105,826
Net assets acquired	$	201,367

Wharf Gold Mine [Member]

Business Acquisition [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The purchase price allocation was based on the fair value of acquired assets and liabilities as follows (in thousands):

Total assets acquired	133,269
Total liabilities assumed	33,873
Net assets acquired	$	99,396