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Marketable Securities

12 Months Ended

Dec. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

MARKETABLE SECURITIES

The table below summarizes the Company’s cash equivalents and available-for-sale securities (in thousands):

			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Estimated Fair Value
December 31, 2019
Cash equivalents:
Money market funds			$	30,496					$	—					$	—					$	30,496
Commercial paper securities			2,998						1						—						2,999
Total			33,494						1						—						33,495
Available-for-sale securities:
Commercial paper securities			155,230						145						(7)						155,368
Corporate debt securities			94,905						115						(3)						95,017
U.S. government-sponsored entity debt securities			53,411						91						(9)						53,493
Total			303,546						351						(19)						303,878
Total cash equivalents and available-for-sale securities			$	337,040					$	352					$	(19)					$	337,373
December 31, 2018
Cash equivalents:
Money market funds			$	103,291					$	—					$	—					$	103,291
Total			103,291						—						—						103,291
Available-for-sale securities:
Commercial paper securities			177,353						—						(129)						177,224
Corporate debt securities			63,981						—						(111)						63,870
U.S. government-sponsored entity debt securities			18,640						—						(19)						18,621
Total			259,974						—						(259)						259,715
Total cash equivalents and available-for-sale securities			$	363,265					$	—					$	(259)					$	363,006

The fair value of investments available-for-sale by contractual maturity were as follows (in thousands):

			December 31,
			2019						2018
Maturing in one year or less			$	282,046					$	259,715
Maturing after one year through five years			21,832						—
Total investments available-for-sale			$	303,878					$	259,715

The Company had no material realized losses from the sale of available-for-sale securities for the years ended December 31, 2019, 2018 or 2017. Sangamo has the intent and ability to hold its investments for a period of time sufficient to allow for any anticipated recovery in market value. No investments were other-than-temporarily impaired at either December 31, 2019 or 2018.

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- Definition

The entire disclosure for investments in certain debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-URI http://asc.fasb.org/subtopic&trid=2209399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-URI http://asc.fasb.org/subtopic&trid=2324412

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-URI http://asc.fasb.org/subtopic&trid=2176304

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