Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Assets and liabilities that are measured at fair value on a recurring basis

The following table summarizes the Company's assets and liabilities that are measured at fair value on a recurring basis, the amounts on the consolidated balance sheets as of December 31, 2013 and 2012, and the activity in those assets and liabilities that are valued using Level 3 measurements.

	Asset (Liability) as of December 31, 2013
(in thousands)	Total			Level 1		Level 2			Level 3
Investment in associated company	$	33,983		$	33,983	$	—		$	—
Precious metal and commodity inventories recorded at fair value	$	14,766		$	14,766	$	—		$	—
Commodity contracts on precious metal and commodity inventories	$	1,620		$	1,620	$	—		$	—
Interest rate swap agreements	$	(214	)	$	—	$	(214	)	$	—

	Asset (Liability) as of December 31, 2012
(in thousands)	Total		Level 1		Level 2			Level 3
Investment in associated company	$	17,229	$	17,229	$	—		$	—
Commodity contracts on precious metal and commodity inventories	$	100	$	127	$	(27	)	$	—
Derivative features of Subordinated Notes	$	793	$	—	$	—		$	793

Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

(in thousands)	Year ended December 31,
Activity	2013			2012
Beginning balance	$	793		$	(1,314	)
Total net (losses) gains included in:
Net income	(793		)	2,060
Other comprehensive income (loss)	—			—
Purchases	—			—
Issuances	—			—
Sales	—			—
Settlements	—			47
Net transfers into / (out of) Level 3	—			—
Ending balance	$	—		$	793