Equity Securities, FV-NI

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- Definition

Equity Securities, FV-NI, Cost

+ References

No definition available.

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- Definition

Equity Securities, FV-NI, Unrealized Gain

+ References

No definition available.

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- Definition

Equity Securities, FV-NI, Unrealized Loss

+ References

No definition available.

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- Definition

Marketable Securities, Realized Gain

+ References

No definition available.

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- Definition

Marketable Securities, Realized Loss

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No definition available.

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

+ References

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- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

+ References

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- Definition

This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of unrealized gain before deducting unrealized loss on investments in equity securities classified as available-for-sale securities.

+ References

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
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-URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558

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-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

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- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

+ Details

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of debt securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558

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-Publisher FASB
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- Definition

This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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-Publisher FASB
-Name Accounting Standards Codification
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This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Marketable Securities - Summary of Marketable Securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Equity securities, fv-ni, unrealized gain	$ 112
Equity securities, fv-ni, unrealized loss	186
Available-for-sale equity securities, unrealized gains	186		$ 894
Adjusted Cost	135,109		135,109		$ 77,592
Unrealized Gains	138		138		32
Unrealized Losses	(618)		(618)		(113)
Fair Value	134,629		134,629		77,511
Marketable securities, realized gains	22		235
Available for sale securities, gross realized gains		$ 12		$ 101
Marketable securities, realized losses	194		328
Available for sale securities, gross realized losses		$ 228		$ 746
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Equity securities, fv-ni, unrealized gain			35
Equity securities, fv-ni, unrealized loss			221
Equity securities, cost	10,498		10,498
Equity securities, fair value	10,312		10,312
Adjusted Cost					443
Unrealized Gains					31
Unrealized Losses					(6)
Fair Value					468
Money market funds
Schedule of Available-for-sale Securities [Line Items]
Adjusted Cost	66,343		66,343		44,525
Unrealized Gains	87		87		0
Unrealized Losses	0		0		(44)
Fair Value	66,430		66,430		44,481
Corporate bonds
Schedule of Available-for-sale Securities [Line Items]
Adjusted Cost	35,271		35,271		9,285
Unrealized Gains	7		7		1
Unrealized Losses	(240)		(240)		(24)
Fair Value	35,038		35,038		9,262
Government securities - U.S.
Schedule of Available-for-sale Securities [Line Items]
Adjusted Cost	15,027		15,027		19,080
Unrealized Gains	5		5		0
Unrealized Losses	(133)		(133)		(30)
Fair Value	14,899		14,899		19,050
Other fixed-income securities
Schedule of Available-for-sale Securities [Line Items]
Adjusted Cost	7,970		7,970		4,259
Unrealized Gains	4		4		0
Unrealized Losses	(24)		(24)		(9)
Fair Value	$ 7,950		$ 7,950		$ 4,250