RESTRICTED INVESTMENTS (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure Restricted Investments and Bond Collateral [Abstract]

Carrying value and estimated fair value of restricted investments and bond collateral

The Company’s carrying value and estimated fair value of its restricted investments and bond collateral at March 31, 2016 were as follows:



	Restricted Investments and Bond Collateral		Reclamation Deposits		Total Restricted Investments
	(In thousands)
Cash and cash equivalents	$	85,948	$	29,554	$	115,502
Time deposits	2,455		—		2,455
Available-for-sale	54,942		48,253		103,195
	$	143,345	$	77,807	$	221,152

The Company’s carrying value and estimated fair value of its restricted investments and bond collateral at December 31, 2015 were as follows:



	Restricted Investments and Bond Collateral		Reclamation Deposits		Total Restricted Investments
	(In thousands)
Cash and cash equivalents	$	102,539	$	45,819	$	148,358
Time deposits	2,455		—		2,455
Available-for-sale	35,813		31,545		67,358
	$	140,807	$	77,364	$	218,171

Amortized cost, gross unrealized holding gains and losses and fair value of available-for-sale securities

The cost basis, gross unrealized holding gains and losses, and fair value of available-for-sale securities at March 31, 2016 were as follows (in thousands):



	Restricted Investments and Bond Collateral			Reclamation Deposits			Total Restricted Investments
	(In thousands)
Cost basis	$	55,868		$	48,945		$	104,813
Gross unrealized holding gains	245			382			627
Gross unrealized holding losses	(1,171		)	(1,074		)	(2,245		)
Fair value	$	54,942		$	48,253		$	103,195

The cost basis, gross unrealized holding gains and losses, and fair value of available-for-sale securities at December 31, 2015 were as follows:



	Restricted Investments and Bond Collateral			Reclamation Deposits			Total Restricted Investments
	(In thousands)
Cost basis	$	36,715		$	31,977		$	68,692
Gross unrealized holding gains	167			521			688
Gross unrealized holding losses	(1,069		)	(953		)	(2,022		)
Fair value	$	35,813		$	31,545		$	67,358

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References + Details