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Long-Term Investments (Tables)

6 Months Ended

Jun. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Summary of Available-for-Sale Securities

The following is a summary of available-for-sale securities (in thousands):

June 30, 2018		Cost				Gross Unrealized Gains				Gross Unrealized Losses				Estimated Fair Value
Failed Auction Security		$	3,000			$	—			$	419			$	2,581
December 31, 2017		Cost				Gross Unrealized Gains				Gross Unrealized Losses				Estimated Fair Value
Failed Auction Security		$	3,000			$	—			$	475			$	2,525

Amortized Cost and Estimated Fair Value of Failed Auction Security by Contractual Maturities

The amortized cost and estimated fair value of the Failed Auction Security on June 30, 2018, by contractual maturity, is shown below (in thousands):

						Estimated
		Cost				Fair Value
Due in twenty to forty years		$	3,000			$	2,581

Rollforward of Credit (Gain) Loss Recognized in Earnings on Failed Auction Security

The following table represents a rollforward of the activity related to the credit loss recognized in earnings on the Failed Auction Security for the six months ended June 30 (in thousands):

		2018				2017
Balance at the beginning of the period		$	48			$	59
Reductions in the amount related to credit gain for which other-than- temporary impairment was not previously recognized			(4	)			(6	)
Balance at the end of the period		$	44			$	53

X

- 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

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- Definition

Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27340-111563

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Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

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