Cash and Marketable Securities

6 Months Ended

Jun. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Cash and Marketable Securities

CASH AND MARKETABLE SECURITIES

Cash, Cash Equivalents and Restricted Cash

A reconciliation of cash, cash equivalents and restricted cash reported within the Condensed Consolidated Balance Sheets to the amounts reported within the accompanying Condensed Consolidated Statements of Cash Flows was as follows (in thousands):

	June 30, 2019		December 31, 2018		June 30, 2018		December 31, 2017
Cash and cash equivalents	$	169,222	$	140,418	$	59,406	$	49,826
Restricted cash included in Restricted cash, current portion	2,000		—		—		—
Restricted cash included in Non-current restricted cash	1,500		3,500		3,500		3,500
Cash, cash equivalents and restricted cash as reported within the accompanying Condensed Consolidated Statements of Cash Flows	$	172,722	$	143,918	$	62,906	$	53,326

Restricted cash consists of a letter of credit for $3.5 million established as a deposit for the Brisbane lease.

Cash Equivalents and Available-for-sale 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
June 30, 2019
Assets
Cash equivalents:
Money market funds	$	71,490	$	—	$	—		$	71,490
Commercial paper securities	30,439		2		—			30,441
Total	101,929		2		—			101,931
Available-for-sale securities:
Commercial paper securities	170,598		355		—			170,953
Corporate debt securities	71,280		108		(5		)	71,383
U.S. government-sponsored entity debt securities	37,973		18		—			37,991
Total	279,851		481		(5		)	280,327
Total cash equivalents and available-for-sale securities	$	381,780	$	483	$	(5	)	$	382,258
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):

	June 30, 2019		December 31, 2018
Maturing in one year or less	$	271,877	$	259,715
Maturing after one year through five years	8,450		—
Total	$	280,327	$	259,715

The Company had no material realized losses of its available-for-sale securities for the three and six months ended June 30, 2019 or 2018. 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 June 30, 2019 or December 31, 2018.