<SEC-DOCUMENT>0000886163-22-000110.txt : 20220802
<SEC-HEADER>0000886163-22-000110.hdr.sgml : 20220802
<ACCEPTANCE-DATETIME>20220802161001
ACCESSION NUMBER:		0000886163-22-000110
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20220729
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
FILED AS OF DATE:		20220802
DATE AS OF CHANGE:		20220802

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIGAND PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000886163
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				770160744
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33093
		FILM NUMBER:		221128768

	BUSINESS ADDRESS:	
		STREET 1:		3911 SORRENTO VALLEY BLVD
		STREET 2:		SUITE 110
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-550-7500

	MAIL ADDRESS:	
		STREET 1:		3911 SORRENTO VALLEY BLVD
		STREET 2:		SUITE 110
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>lgnd-20220729.htm
<DESCRIPTION>8-K
<TEXT>
<XBRL>
<?xml version="1.0" ?><!--XBRL Document Created with Wdesk from Workiva--><!--Copyright 2022 Workiva--><!--r:112ff549-e071-45c4-a6ae-165aee2f700d,g:93218e65-60a7-4e09-9efe-50dc10407e9c,d:0ef7a1cca34948efbf8d73326b521cab--><html xmlns="http://www.w3.org/1999/xhtml" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2020-02-12" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dei="http://xbrl.sec.gov/dei/2021" xml:lang="en-US"><head><meta http-equiv="Content-Type" content="text/html"/>


<title>lgnd-20220729</title></head><body><div style="display:none"><ix:header><ix:hidden><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:EntityCentralIndexKey" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl80L2ZyYWc6Y2U5MWQ4YjNmZTcxNGRiZDk0MDM3MTk1YmM1YjIyNGUvdGFibGU6MDJjOTM1OTdiYzMwNDMwYWJlNmQzODBhNTI0ZTQxNTkvdGFibGVyYW5nZTowMmM5MzU5N2JjMzA0MzBhYmU2ZDM4MGE1MjRlNDE1OV8yLTEtMS0xLTkxOTEy_5b86a5e8-e7e6-41b7-bdbd-0bd2a6d2c4e6">0000886163</ix:nonNumeric><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:AmendmentFlag" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl80L2ZyYWc6Y2U5MWQ4YjNmZTcxNGRiZDk0MDM3MTk1YmM1YjIyNGUvdGFibGU6MDJjOTM1OTdiYzMwNDMwYWJlNmQzODBhNTI0ZTQxNTkvdGFibGVyYW5nZTowMmM5MzU5N2JjMzA0MzBhYmU2ZDM4MGE1MjRlNDE1OV8zLTEtMS0xLTkxOTEy_fc20dd88-d93c-488d-b35d-e9d43cb7c1d4">false</ix:nonNumeric></ix:hidden><ix:references xml:lang="en-US"><link:schemaRef xlink:type="simple" xlink:href="lgnd-20220729.xsd"></link:schemaRef></ix:references><ix:resources><xbrli:context id="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000886163</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2022-07-29</xbrli:startDate><xbrli:endDate>2022-07-29</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div><div id="i0ef7a1cca34948efbf8d73326b521cab_1"></div><div style="min-height:72pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:14pt;font-weight:700;line-height:173%">UNITED STATES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:14pt;font-weight:700;line-height:173%">SECURITIES AND EXCHANGE COMMISSION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:14pt;font-weight:700;line-height:173%">WASHINGTON, D.C. 20549</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:173%">______________</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:16pt;font-weight:700;line-height:173%">FORM <ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:DocumentType" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV85Nw_53931138-2528-4a0e-89a6-22c185fb2809">8-K</ix:nonNumeric> </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:173%">______________</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:173%">CURRENT REPORT</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:173%">Pursuant to Section 13 or 15(d) of the</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:173%">Securities Exchange Act of 1934</span></div><div style="margin-top:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:173%">Date of Report (Date of earliest event reported): <ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:DocumentPeriodEndDate" format="ixt:date-monthname-day-year-en" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV8yNTI_70286f34-2286-4aa2-86cf-b8761840c859">July 29, 2022</ix:nonNumeric> </span></div><div style="margin-bottom:7pt;margin-top:12pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:16pt;font-weight:700;line-height:173%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:EntityRegistrantName" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV8yNTY_a269354f-7624-4d79-bb03-ead056a03170">LIGAND PHARMACEUTICALS INC</ix:nonNumeric>ORPORATED</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:173%">     </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(Exact Name of Registrant as Specified in Its Charter)</span><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:86.538%"><tr><td style="width:1.0%"></td><td style="width:32.233%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.233%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.234%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:EntityIncorporationStateCountryCode" format="ixt-sec:stateprovnameen" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6OTVkMTljNzc5MTQ1NDc4OGFkYjdhN2RhMTgwMjcxMDEvdGFibGVyYW5nZTo5NWQxOWM3NzkxNDU0Nzg4YWRiN2E3ZGExODAyNzEwMV8wLTAtMS0xLTkxOTEy_d5266e65-67d6-44d1-8b18-8e37c540b3df">Delaware</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:EntityFileNumber" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6OTVkMTljNzc5MTQ1NDc4OGFkYjdhN2RhMTgwMjcxMDEvdGFibGVyYW5nZTo5NWQxOWM3NzkxNDU0Nzg4YWRiN2E3ZGExODAyNzEwMV8wLTEtMS0xLTkxOTEy_0e7a2812-d1fb-433d-a8c4-0cb68eedb827">001-33093</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:EntityTaxIdentificationNumber" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6OTVkMTljNzc5MTQ1NDc4OGFkYjdhN2RhMTgwMjcxMDEvdGFibGVyYW5nZTo5NWQxOWM3NzkxNDU0Nzg4YWRiN2E3ZGExODAyNzEwMV8wLTItMS0xLTkxOTEy_806f099a-6ab4-40d3-a02d-d0fd39546cde">77-0160744</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:700;line-height:100%">(State or other jurisdiction of</span></td><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:700;line-height:100%">(Commission File Number)</span></td><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:700;line-height:100%">(I.R.S. Employer</span></td></tr><tr><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:700;line-height:100%">incorporation or organization)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:700;line-height:100%">Identification No.)</span></td></tr></table></div><div style="margin-bottom:7pt;margin-top:3pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:47.617%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.203%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:47.780%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:EntityAddressAddressLine1" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6Nzc1ZjEwNGFkOTNhNGRhODg2YWIzMjM1OWY4ZDA3OTEvdGFibGVyYW5nZTo3NzVmMTA0YWQ5M2E0ZGE4ODZhYjMyMzU5ZjhkMDc5MV8wLTAtMS0xLTkxOTEy_2ee187bd-aeb5-4e32-810b-64a75246c93a">5980 Horton Street, Suite 405</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6Nzc1ZjEwNGFkOTNhNGRhODg2YWIzMjM1OWY4ZDA3OTEvdGFibGVyYW5nZTo3NzVmMTA0YWQ5M2E0ZGE4ODZhYjMyMzU5ZjhkMDc5MV8xLTAtMS0xLTkxOTEy_5dad6b70-5a2e-4392-9191-9af3db7b9060">Emeryville</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:EntityAddressStateOrProvince" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6Nzc1ZjEwNGFkOTNhNGRhODg2YWIzMjM1OWY4ZDA3OTEvdGFibGVyYW5nZTo3NzVmMTA0YWQ5M2E0ZGE4ODZhYjMyMzU5ZjhkMDc5MV8yLTAtMS0xLTkxOTEy_238a2bd6-f8fb-4ff3-a2c4-f4ba0c470ae3">CA</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6Nzc1ZjEwNGFkOTNhNGRhODg2YWIzMjM1OWY4ZDA3OTEvdGFibGVyYW5nZTo3NzVmMTA0YWQ5M2E0ZGE4ODZhYjMyMzU5ZjhkMDc5MV8yLTItMS0xLTkxOTEy_82ff2e45-f24d-448c-be66-e606a99bbebc">94608</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:700;line-height:100%">(Address of principal executive offices)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 2.12pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:700;line-height:100%">(Zip Code)</span></td></tr></table></div><div style="margin-top:15pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">(<ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:CityAreaCode" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV8zMzI_87c909dd-bf05-43a7-8d68-598bc7b1e2e3">858</ix:nonNumeric>)&#160;<ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV8zMzY_5e69fab2-201a-49db-9e8d-be0aa526e51e">550-7500</ix:nonNumeric> </span></div><div style="margin-bottom:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:173%">(Registrant&#8217;s Telephone Number, Including Area Code)</span></div><div style="margin-bottom:3pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:173%">3911 Sorrento Valley Boulevard, Suite 110</span></div><div style="margin-bottom:3pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:173%">San Diego, CA 92121</span></div><div style="margin-bottom:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:173%">(Former Name or Former Address, if Changed Since Last Report)</span></div><div style="text-align:center"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:173%">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</span></div><div><span><br/></span></div><div style="padding-left:24.75pt;text-indent:-22.5pt"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11pt;font-weight:400;line-height:144%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:WrittenCommunications" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV82OTE_37f95e2c-a158-4a38-bfc6-b859546d833b">&#9744;</ix:nonNumeric></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">&#160;&#160;&#160;&#160;Written communications pursuant to Rule&#160;425 under the Securities Act (17 CFR 230.425)</span></div><div style="padding-left:24.75pt;text-indent:-22.5pt"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11pt;font-weight:400;line-height:144%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:SolicitingMaterial" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV83ODA_30617474-863c-4864-9c6d-650f9ea65025">&#9744;</ix:nonNumeric></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">&#160;&#160;&#160;&#160;Soliciting material pursuant to Rule&#160;14a-12 under the Exchange Act (17 CFR 240.14a-12)</span></div><div style="padding-left:24.75pt;text-indent:-22.5pt"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11pt;font-weight:400;line-height:144%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:PreCommencementTenderOffer" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV84NzA_d976f308-72bd-4d44-b9ea-aaa24cb502bb">&#9744;</ix:nonNumeric></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">&#160;&#160;&#160;&#160;Pre-commencement communications pursuant to Rule&#160;14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div><span><br/></span></div></div><div style="padding-left:24.75pt;text-indent:-22.5pt"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11pt;font-weight:400;line-height:144%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:PreCommencementIssuerTenderOffer" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV85NzY_2334c64c-7768-4aca-a9ce-cc799d1cfadb">&#9744;</ix:nonNumeric></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">&#160;&#160;&#160;&#160;Pre-commencement communications pursuant to Rule&#160;13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Securities registered pursuant to Section 12(b) of the Ac</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">t:</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:98.878%"><tr><td style="width:1.0%"></td><td style="width:37.797%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:20.293%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:38.610%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Title of each class</span></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Trading Symbol(s)</span></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Name of each exchange on which registered</span></td></tr><tr><td colspan="3" style="border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6NTg0ZmM1ZTMyODU1NGIyMjk0Y2Q3OWJkZTBhZmU3MzcvdGFibGVyYW5nZTo1ODRmYzVlMzI4NTU0YjIyOTRjZDc5YmRlMGFmZTczN18xLTAtMS0xLTkxOTEy_f2a578c7-f70a-4724-b7aa-038dc0e73f02">Common Stock, par value $0.001 per share</ix:nonNumeric></span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6NTg0ZmM1ZTMyODU1NGIyMjk0Y2Q3OWJkZTBhZmU3MzcvdGFibGVyYW5nZTo1ODRmYzVlMzI4NTU0YjIyOTRjZDc5YmRlMGFmZTczN18xLTEtMS0xLTkxOTEy_7a806f08-0c91-4cd7-9fd4-2da601fac38c">LGND</ix:nonNumeric></span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:SecurityExchangeName" format="ixt-sec:exchnameen" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6NTg0ZmM1ZTMyODU1NGIyMjk0Y2Q3OWJkZTBhZmU3MzcvdGFibGVyYW5nZTo1ODRmYzVlMzI4NTU0YjIyOTRjZDc5YmRlMGFmZTczN18xLTItMS0xLTkxOTEy_648fbd07-3760-4733-95b2-7b92627054ed">The Nasdaq Global Market</ix:nonNumeric></span></td></tr></table></div><div style="padding-left:24.75pt;text-indent:-22.5pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933(&#167;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Emerging growth company  </span><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11pt;font-weight:400;line-height:120%"><ix:nonNumeric contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729" name="dei:EntityEmergingGrowthCompany" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV8xNDA5_76d7fdd0-a0db-459d-9bb0-b18c2a213719">&#9744;</ix:nonNumeric></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  </span><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#9744;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><div id="i0ef7a1cca34948efbf8d73326b521cab_7"></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div><span><br/></span></div></div><div style="-sec-extract:summary"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">On July 29, 2022, the Board of Directors (the &#8220;Board&#8221;) of Ligand Pharmaceuticals Incorporated (the &#8220;Company&#8221;) approved the Ligand Pharmaceuticals Incorporated 2022 Employment Inducement Plan (the &#8220;2022 Inducement Plan&#8221;).  The terms of the 2022 Inducement Plan are substantially similar to the terms of the Company&#8217;s amended and restated 2002 Stock Incentive Plan with the exception that incentive stock options may not be issued under the 2022 Inducement Plan and awards under the 2022 Inducement Plan may only be issued to eligible recipients under the applicable Nasdaq Listing Rules.  The 2022 Inducement Plan was adopted by the Board without stockholder approval pursuant to Rule 5635(c)(4) of the Nasdaq Listing Rules.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Board has initially reserved 300,000 shares of the Company&#8217;s common stock for issuance pursuant to awards granted under the 2022 Inducement Plan. In accordance with Rule 5635(c)(4) of the Nasdaq Listing Rules, awards under the 2022 Inducement Plan may only be made to an employee who is commencing employment with the Company, its parent, subsidiary or any of their affiliates or who is being rehired following a bona fide interruption of employment by the Company, its parent, subsidiary or any of their affiliates, in any case if he or she is granted such award in connection with his or her commencement of employment with the Company, its parent, subsidiary or any of their affiliates and such grant is an inducement material to his or her entering into employment with the Company, its parent, subsidiary or any of their affiliates, as applicable.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The foregoing description of the 2022 Inducement Plan is a summary only and does not describe all terms and conditions applicable to the 2022 Inducement Plan.  The description is subject to and qualified in its entirety by the terms of the 2022 Inducement Plan and the forms of stock option, restricted stock unit and performance-based restricted stock unit agreements, copies of which will be filed as exhibits to the Company&#8217;s Quarterly Report on Form 10-Q for the quarter ended June 30, 2022.</span></div><div style="text-align:justify;text-indent:24.5pt"><span><br/></span></div><div style="text-align:justify"><span><br/></span></div><div style="margin-bottom:12pt;margin-top:6pt;text-align:justify"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div><span><br/></span></div></div><div style="margin-bottom:12pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">SIGNATURES</span></div><div style="margin-bottom:20pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</span></div><div style="margin-bottom:20pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:95.993%"><tr><td style="width:1.0%"></td><td style="width:40.970%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:56.830%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt 2px 3.25pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">LIGAND PHARMACEUTICALS INCORPORATED</span></td></tr><tr style="height:11pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 3.25pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Date: August 2, 2022</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:2pt;margin-top:2pt;padding-left:38.25pt;padding-right:2.25pt;text-indent:-33.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">By:   </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">/s/ Charles S. Berkman         </span></div><div style="margin-bottom:2pt;margin-top:2pt;padding-left:38.25pt;padding-right:2.25pt;text-indent:-33.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Name:    Charles S. Berkman</span></div><div style="margin-bottom:2pt;margin-top:2pt;padding-left:38.25pt;padding-right:2.25pt;text-indent:-33.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Title:    Senior Vice President, General Counsel and Secretary </span></div></td></tr></table></div><div style="margin-top:9pt"><span><br/></span></div><div style="margin-bottom:12pt;text-indent:36pt"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div></body></html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>2
<FILENAME>lgnd-20220729.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:112ff549-e071-45c4-a6ae-165aee2f700d,g:93218e65-60a7-4e09-9efe-50dc10407e9c-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:lgnd="http://www.ligand.com/20220729" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.ligand.com/20220729">
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2021" schemaLocation="https://xbrl.sec.gov/dei/2021/dei-2021.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lgnd-20220729_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lgnd-20220729_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://www.ligand.com/role/CoverPage">
        <link:definition>0001001 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
</xs:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>3
<FILENAME>lgnd-20220729_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:112ff549-e071-45c4-a6ae-165aee2f700d,g:93218e65-60a7-4e09-9efe-50dc10407e9c-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_dei_PreCommencementTenderOffer_0a4275bb-22d1-49cb-b21b-be6fce08a86e_terseLabel_en-US" xlink:label="lab_dei_PreCommencementTenderOffer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pre-commencement Tender Offer</link:label>
    <link:label id="lab_dei_PreCommencementTenderOffer_label_en-US" xlink:label="lab_dei_PreCommencementTenderOffer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pre-commencement Tender Offer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_PreCommencementTenderOffer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_PreCommencementTenderOffer" xlink:to="lab_dei_PreCommencementTenderOffer" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_efff12b6-7b45-4299-aeb6-c31a4a2a4a08_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressStateOrProvince_997eb180-81b0-4dd0-af94-fe77f1f69826_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:label id="lab_dei_EntityAddressStateOrProvince_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressStateOrProvince"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressStateOrProvince" xlink:to="lab_dei_EntityAddressStateOrProvince" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_df7effd5-6942-4819-b15f-3de710ef288d_terseLabel_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Tax Identification Number</link:label>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_label_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Tax Identification Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityTaxIdentificationNumber" xlink:to="lab_dei_EntityTaxIdentificationNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_Security12bTitle_d166360a-a83e-401f-a99a-e0cfb5bdbfdc_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:label id="lab_dei_Security12bTitle_label_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_Security12bTitle"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFileNumber_d544507b-5a76-4b46-99b9-46d7c4530b5d_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity File Number</link:label>
    <link:label id="lab_dei_EntityFileNumber_label_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity File Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityFileNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_WrittenCommunications_3b9318b6-6243-4603-a9b0-805684edb068_terseLabel_en-US" xlink:label="lab_dei_WrittenCommunications" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Written Communications</link:label>
    <link:label id="lab_dei_WrittenCommunications_label_en-US" xlink:label="lab_dei_WrittenCommunications" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Written Communications</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_WrittenCommunications"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_WrittenCommunications" xlink:to="lab_dei_WrittenCommunications" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_PreCommencementIssuerTenderOffer_8c09c105-0749-488b-a052-d350157a40a4_terseLabel_en-US" xlink:label="lab_dei_PreCommencementIssuerTenderOffer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pre-commencement Issuer Tender Offer</link:label>
    <link:label id="lab_dei_PreCommencementIssuerTenderOffer_label_en-US" xlink:label="lab_dei_PreCommencementIssuerTenderOffer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pre-commencement Issuer Tender Offer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_PreCommencementIssuerTenderOffer" xlink:to="lab_dei_PreCommencementIssuerTenderOffer" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_b4bf6e27-8396-416d-a318-507570fab3b3_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_TradingSymbol_50df4a53-e732-4476-a685-5e12fc0dbb9a_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trading Symbol</link:label>
    <link:label id="lab_dei_TradingSymbol_label_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trading Symbol</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_TradingSymbol"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_01a7772a-0435-48a1-801e-ba479b8db08d_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SolicitingMaterial_483e7ee1-015e-4ee9-a003-c5d6a0be82de_terseLabel_en-US" xlink:label="lab_dei_SolicitingMaterial" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Soliciting Material</link:label>
    <link:label id="lab_dei_SolicitingMaterial_label_en-US" xlink:label="lab_dei_SolicitingMaterial" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Soliciting Material</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SolicitingMaterial"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SolicitingMaterial" xlink:to="lab_dei_SolicitingMaterial" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_f2f70ebb-d22d-401e-b1ba-42f124d4e279_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CityAreaCode_143ec8bc-6f39-4323-8608-4b24c357ea14_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City Area Code</link:label>
    <link:label id="lab_dei_CityAreaCode_label_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City Area Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CityAreaCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_dec73ccf-7407-44bf-aa00-ee8a48922f3b_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode" xlink:to="lab_dei_EntityIncorporationStateCountryCode" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_56ab1300-fc1c-4467-b4b0-de179c8b19f5_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine1_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressAddressLine1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_97c8fcf7-c7f4-453a-94b1-bb2b1c00f8fd_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LocalPhoneNumber_2f13acb8-37ca-4894-a2c4-5f093118621d_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Local Phone Number</link:label>
    <link:label id="lab_dei_LocalPhoneNumber_label_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Local Phone Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_LocalPhoneNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber" xlink:to="lab_dei_LocalPhoneNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCityOrTown_785e4cb8-704e-4829-87f2-2d52fae35acb_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:label id="lab_dei_EntityAddressCityOrTown_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressCityOrTown"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CoverAbstract_49155b42-117f-4a23-af31-d190b8546c87_terseLabel_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cover page.</link:label>
    <link:label id="lab_dei_CoverAbstract_label_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CoverAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressPostalZipCode_7b724390-4fa0-4643-bda0-7f1619b6f032_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:label id="lab_dei_EntityAddressPostalZipCode_label_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressPostalZipCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_c1b43c65-ede6-4527-86a7-f1385df77ba4_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SecurityExchangeName_a21760cb-930f-4546-a482-e7191c64c397_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Security Exchange Name</link:label>
    <link:label id="lab_dei_SecurityExchangeName_label_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Security Exchange Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SecurityExchangeName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" xlink:type="arc" order="1"/>
  </link:labelLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>4
<FILENAME>lgnd-20220729_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:112ff549-e071-45c4-a6ae-165aee2f700d,g:93218e65-60a7-4e09-9efe-50dc10407e9c-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.ligand.com/role/CoverPage" xlink:type="simple" xlink:href="lgnd-20220729.xsd#CoverPage"/>
  <link:presentationLink xlink:role="http://www.ligand.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_fcf16f51-42c7-43ec-8510-35ebdb3e5939" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_EntityCentralIndexKey_fcf16f51-42c7-43ec-8510-35ebdb3e5939" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_0c0d161d-70d0-4e26-a799-b945923e48d5" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_AmendmentFlag_0c0d161d-70d0-4e26-a799-b945923e48d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_136dfd04-0807-429d-9dc2-23c45b34c390" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentType"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_DocumentType_136dfd04-0807-429d-9dc2-23c45b34c390" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_83fb00bc-f3bd-4fed-ba87-c3518cf4b910" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_DocumentPeriodEndDate_83fb00bc-f3bd-4fed-ba87-c3518cf4b910" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_5c536190-6da4-4ed8-a6e6-3a12bbb37b98" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_EntityRegistrantName_5c536190-6da4-4ed8-a6e6-3a12bbb37b98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_cc5f960e-cf89-4bc7-b0e8-6e157c37053f" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_EntityIncorporationStateCountryCode_cc5f960e-cf89-4bc7-b0e8-6e157c37053f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_4d2619ca-0a36-40f2-b1e1-5417cd873811" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_EntityFileNumber_4d2619ca-0a36-40f2-b1e1-5417cd873811" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_cf095713-db60-463e-9c89-3ea5fed7b19f" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_EntityTaxIdentificationNumber_cf095713-db60-463e-9c89-3ea5fed7b19f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_9c426482-166a-4f2f-9e1c-b6af08e08e14" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_EntityAddressAddressLine1_9c426482-166a-4f2f-9e1c-b6af08e08e14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_35e195a2-2232-427b-87ae-fb98a1c166c7" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_EntityAddressCityOrTown_35e195a2-2232-427b-87ae-fb98a1c166c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_cea98ed6-6cae-495b-9683-bbaf5164c2b9" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_EntityAddressStateOrProvince_cea98ed6-6cae-495b-9683-bbaf5164c2b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_407b8f3f-0d0c-44c0-9db4-665a9952133f" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_EntityAddressPostalZipCode_407b8f3f-0d0c-44c0-9db4-665a9952133f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_b041e78e-d008-4837-8547-aa8976ef577c" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_CityAreaCode_b041e78e-d008-4837-8547-aa8976ef577c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_84aa4ff9-7eab-4967-bbf4-ebe973e882e0" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_LocalPhoneNumber_84aa4ff9-7eab-4967-bbf4-ebe973e882e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_b1fc8255-999e-4137-9628-ecf03a00c9b1" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_WrittenCommunications_b1fc8255-999e-4137-9628-ecf03a00c9b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_cdbedbe7-c4c5-4d30-b8e5-d1cf16f9ec59" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_SolicitingMaterial_cdbedbe7-c4c5-4d30-b8e5-d1cf16f9ec59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_91578ab7-fbd2-4e5d-9198-777b85f5ef04" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_PreCommencementTenderOffer_91578ab7-fbd2-4e5d-9198-777b85f5ef04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_a95df973-6e9b-44c7-adc4-12679d57799e" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_a95df973-6e9b-44c7-adc4-12679d57799e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_a9203c5b-64b7-4ac8-a5f6-00b5a3bacc49" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_Security12bTitle_a9203c5b-64b7-4ac8-a5f6-00b5a3bacc49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_bdd60e97-af9f-49a2-ba91-9110398cb663" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_TradingSymbol_bdd60e97-af9f-49a2-ba91-9110398cb663" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_bc7d1183-4231-4646-8742-f6e403eb5168" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_SecurityExchangeName_bc7d1183-4231-4646-8742-f6e403eb5168" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_b37b6b01-1e80-45fc-9614-ac4fa63b0817" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_3173b858-bf09-41df-bad4-8adb679263ff" xlink:to="loc_dei_EntityEmergingGrowthCompany_b37b6b01-1e80-45fc-9614-ac4fa63b0817" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>5
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.2</span><table class="report" border="0" cellspacing="2" id="idm139964643517424">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Cover Page<br></strong></div></th>
<th class="th"><div>Jul. 29, 2022</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000886163<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jul. 29,  2022<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">LIGAND PHARMACEUTICALS INC<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-33093<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">77-0160744<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">5980 Horton Street, Suite 405<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Emeryville<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">CA<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">94608<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">858<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">550-7500<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock, par value $0.001 per share<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">LGND<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CoverAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Section 14a<br> -Number 240<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_WrittenCommunications">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_WrittenCommunications</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>6
<FILENAME>lgnd-20220729_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xml:lang="en-US"
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2021"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="lgnd-20220729.xsd" xlink:type="simple"/>
    <context id="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000886163</identifier>
        </entity>
        <period>
            <startDate>2022-07-29</startDate>
            <endDate>2022-07-29</endDate>
        </period>
    </context>
    <dei:EntityCentralIndexKey
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl80L2ZyYWc6Y2U5MWQ4YjNmZTcxNGRiZDk0MDM3MTk1YmM1YjIyNGUvdGFibGU6MDJjOTM1OTdiYzMwNDMwYWJlNmQzODBhNTI0ZTQxNTkvdGFibGVyYW5nZTowMmM5MzU5N2JjMzA0MzBhYmU2ZDM4MGE1MjRlNDE1OV8yLTEtMS0xLTkxOTEy_5b86a5e8-e7e6-41b7-bdbd-0bd2a6d2c4e6">0000886163</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl80L2ZyYWc6Y2U5MWQ4YjNmZTcxNGRiZDk0MDM3MTk1YmM1YjIyNGUvdGFibGU6MDJjOTM1OTdiYzMwNDMwYWJlNmQzODBhNTI0ZTQxNTkvdGFibGVyYW5nZTowMmM5MzU5N2JjMzA0MzBhYmU2ZDM4MGE1MjRlNDE1OV8zLTEtMS0xLTkxOTEy_fc20dd88-d93c-488d-b35d-e9d43cb7c1d4">false</dei:AmendmentFlag>
    <dei:DocumentType
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV85Nw_53931138-2528-4a0e-89a6-22c185fb2809">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV8yNTI_70286f34-2286-4aa2-86cf-b8761840c859">2022-07-29</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV8yNTY_a269354f-7624-4d79-bb03-ead056a03170">LIGAND PHARMACEUTICALS INC</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6OTVkMTljNzc5MTQ1NDc4OGFkYjdhN2RhMTgwMjcxMDEvdGFibGVyYW5nZTo5NWQxOWM3NzkxNDU0Nzg4YWRiN2E3ZGExODAyNzEwMV8wLTAtMS0xLTkxOTEy_d5266e65-67d6-44d1-8b18-8e37c540b3df">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6OTVkMTljNzc5MTQ1NDc4OGFkYjdhN2RhMTgwMjcxMDEvdGFibGVyYW5nZTo5NWQxOWM3NzkxNDU0Nzg4YWRiN2E3ZGExODAyNzEwMV8wLTEtMS0xLTkxOTEy_0e7a2812-d1fb-433d-a8c4-0cb68eedb827">001-33093</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6OTVkMTljNzc5MTQ1NDc4OGFkYjdhN2RhMTgwMjcxMDEvdGFibGVyYW5nZTo5NWQxOWM3NzkxNDU0Nzg4YWRiN2E3ZGExODAyNzEwMV8wLTItMS0xLTkxOTEy_806f099a-6ab4-40d3-a02d-d0fd39546cde">77-0160744</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6Nzc1ZjEwNGFkOTNhNGRhODg2YWIzMjM1OWY4ZDA3OTEvdGFibGVyYW5nZTo3NzVmMTA0YWQ5M2E0ZGE4ODZhYjMyMzU5ZjhkMDc5MV8wLTAtMS0xLTkxOTEy_2ee187bd-aeb5-4e32-810b-64a75246c93a">5980 Horton Street, Suite 405</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6Nzc1ZjEwNGFkOTNhNGRhODg2YWIzMjM1OWY4ZDA3OTEvdGFibGVyYW5nZTo3NzVmMTA0YWQ5M2E0ZGE4ODZhYjMyMzU5ZjhkMDc5MV8xLTAtMS0xLTkxOTEy_5dad6b70-5a2e-4392-9191-9af3db7b9060">Emeryville</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6Nzc1ZjEwNGFkOTNhNGRhODg2YWIzMjM1OWY4ZDA3OTEvdGFibGVyYW5nZTo3NzVmMTA0YWQ5M2E0ZGE4ODZhYjMyMzU5ZjhkMDc5MV8yLTAtMS0xLTkxOTEy_238a2bd6-f8fb-4ff3-a2c4-f4ba0c470ae3">CA</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6Nzc1ZjEwNGFkOTNhNGRhODg2YWIzMjM1OWY4ZDA3OTEvdGFibGVyYW5nZTo3NzVmMTA0YWQ5M2E0ZGE4ODZhYjMyMzU5ZjhkMDc5MV8yLTItMS0xLTkxOTEy_82ff2e45-f24d-448c-be66-e606a99bbebc">94608</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV8zMzI_87c909dd-bf05-43a7-8d68-598bc7b1e2e3">858</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV8zMzY_5e69fab2-201a-49db-9e8d-be0aa526e51e">550-7500</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV82OTE_37f95e2c-a158-4a38-bfc6-b859546d833b">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV83ODA_30617474-863c-4864-9c6d-650f9ea65025">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV84NzA_d976f308-72bd-4d44-b9ea-aaa24cb502bb">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV85NzY_2334c64c-7768-4aca-a9ce-cc799d1cfadb">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6NTg0ZmM1ZTMyODU1NGIyMjk0Y2Q3OWJkZTBhZmU3MzcvdGFibGVyYW5nZTo1ODRmYzVlMzI4NTU0YjIyOTRjZDc5YmRlMGFmZTczN18xLTAtMS0xLTkxOTEy_f2a578c7-f70a-4724-b7aa-038dc0e73f02">Common Stock, par value $0.001 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6NTg0ZmM1ZTMyODU1NGIyMjk0Y2Q3OWJkZTBhZmU3MzcvdGFibGVyYW5nZTo1ODRmYzVlMzI4NTU0YjIyOTRjZDc5YmRlMGFmZTczN18xLTEtMS0xLTkxOTEy_7a806f08-0c91-4cd7-9fd4-2da601fac38c">LGND</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGFibGU6NTg0ZmM1ZTMyODU1NGIyMjk0Y2Q3OWJkZTBhZmU3MzcvdGFibGVyYW5nZTo1ODRmYzVlMzI4NTU0YjIyOTRjZDc5YmRlMGFmZTczN18xLTItMS0xLTkxOTEy_648fbd07-3760-4733-95b2-7b92627054ed">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729"
      id="id3VybDovL2RvY3MudjEvZG9jOjBlZjdhMWNjYTM0OTQ4ZWZiZjhkNzMzMjZiNTIxY2FiL3NlYzowZWY3YTFjY2EzNDk0OGVmYmY4ZDczMzI2YjUyMWNhYl8xL2ZyYWc6ZWM5MmE2YzdkODkyNGE0OWI5ZGYxOGRkYzUzNjJjMjUvdGV4dHJlZ2lvbjplYzkyYTZjN2Q4OTI0YTQ5YjlkZjE4ZGRjNTM2MmMyNV8xNDA5_76d7fdd0-a0db-459d-9bb0-b18c2a213719">false</dei:EntityEmergingGrowthCompany>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>7
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 Financial_Report.xlsx
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M3=AN.$&KU!(G.0\_V\?/L=O?2?66;AC3Y#V.1#JP-EHGM[:=!AL6T_1&)DS
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M&\[Q$<+NOS^QO-9.&G_FB^$_7G\!4$L! A0#%     @ /8$"50=!36*!
ML0   !               ( !     &1O8U!R;W!S+V%P<"YX;6Q02P$"% ,4
M    "  ]@0)5QK7X?^X    K @  $0              @ &O    9&]C4')O
M<',O8V]R92YX;6Q02P$"% ,4    "  ]@0)5F5R<(Q &  "<)P  $P
M        @ ', 0  >&PO=&AE;64O=&AE;64Q+GAM;%!+ 0(4 Q0    ( #V!
M E7-R7+Q5P0  ),0   8              " @0T(  !X;"]W;W)K<VAE971S
M+W-H965T,2YX;6Q02P$"% ,4    "  ]@0)5GZ ;\+$"  #B#   #0
M        @ &:#   >&PO<W1Y;&5S+GAM;%!+ 0(4 Q0    ( #V! E67BKL<
MP    !,"   +              "  78/  !?<F5L<R\N<F5L<U!+ 0(4 Q0
M   ( #V! E49117U-P$  "<"   /              "  5\0  !X;"]W;W)K
M8F]O:RYX;6Q02P$"% ,4    "  ]@0)5)!Z;HJT   #X 0  &@
M    @ '#$0  >&PO7W)E;',O=V]R:V)O;VLN>&UL+G)E;'-02P$"% ,4
M"  ]@0)599!YDAD!  #/ P  $P              @ &H$@  6T-O;G1E;G1?
@5'EP97-=+GAM;%!+!08     "0 ) #X"  #R$P     !

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>8
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
// Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission.  Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105.
var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0);
e.removeAttribute('id');a.parentNode.appendChild(e)}}
if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'}
e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
..report table.authRefData{
	background-color: #def;
	border: 2px solid #2F4497;
	font-size: 1em;
	position: absolute;
}

..report table.authRefData a {
	display: block;
	font-weight: bold;
}

..report table.authRefData p {
	margin-top: 0px;
}

..report table.authRefData .hide {
	background-color: #2F4497;
	padding: 1px 3px 0px 0px;
	text-align: right;
}

..report table.authRefData .hide a:hover {
	background-color: #2F4497;
}

..report table.authRefData .body {
	height: 150px;
	overflow: auto;
	width: 400px;
}

..report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
..pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
..report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

..report hr {
	border: 1px solid #acf;
}

/* Top labels */
..report th {
	background-color: #acf;
	color: black;
	font-weight: bold;
	text-align: center;
}

..report th.void	{
	background-color: transparent;
	color: #000000;
	font: bold 10pt Helvetica, Arial, san-serif;
	text-align: left;
}

..report .pl {
	text-align: left;
	vertical-align: top;
	white-space: normal;
	width: 200px;
	white-space: normal; /* word-wrap: break-word; */
}

..report td.pl a.a {
	cursor: pointer;
	display: block;
	width: 200px;
	overflow: hidden;
}

..report td.pl div.a {
	width: 200px;
}

..report td.pl a:hover {
	background-color: #ffc;
}

/* Header rows... */
..report tr.rh {
	background-color: #acf;
	color: black;
	font-weight: bold;
}

/* Calendars... */
..report .rc {
	background-color: #f0f0f0;
}

/* Even rows... */
..report .re, .report .reu {
	background-color: #def;
}

..report .reu td {
	border-bottom: 1px solid black;
}

/* Odd rows... */
..report .ro, .report .rou {
	background-color: white;
}

..report .rou td {
	border-bottom: 1px solid black;
}

..report .rou table td, .report .reu table td {
	border-bottom: 0px solid black;
}

/* styles for footnote marker */
..report .fn {
	white-space: nowrap;
}

/* styles for numeric types */
..report .num, .report .nump {
	text-align: right;
	white-space: nowrap;
}

..report .nump {
	padding-left: 2em;
}

..report .nump {
	padding: 0px 0.4em 0px 2em;
}

/* styles for text types */
..report .text {
	text-align: left;
	white-space: normal;
}

..report .text .big {
	margin-bottom: 1em;
	width: 17em;
}

..report .text .more {
	display: none;
}

..report .text .note {
	font-style: italic;
	font-weight: bold;
}

..report .text .small {
	width: 10em;
}

..report sup {
	font-style: italic;
}

..report .outerFootnotes {
	font-size: 1em;
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1</ContextCount>
  <ElementCount>22</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>0</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>0</UnitCount>
  <MyReports>
    <Report instance="lgnd-20220729.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001001 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.ligand.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="8-K" original="lgnd-20220729.htm">lgnd-20220729.htm</File>
    <File>lgnd-20220729.xsd</File>
    <File>lgnd-20220729_lab.xml</File>
    <File>lgnd-20220729_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="22">http://xbrl.sec.gov/dei/2021</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>12
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "instance": {
  "lgnd-20220729.htm": {
   "axisCustom": 0,
   "axisStandard": 0,
   "contextCount": 1,
   "dts": {
    "inline": {
     "local": [
      "lgnd-20220729.htm"
     ]
    },
    "labelLink": {
     "local": [
      "lgnd-20220729_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "lgnd-20220729_pre.xml"
     ]
    },
    "schema": {
     "local": [
      "lgnd-20220729.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://xbrl.sec.gov/dei/2021/dei-2021.xsd"
     ]
    }
   },
   "elementCount": 23,
   "entityCount": 1,
   "hidden": {
    "http://xbrl.sec.gov/dei/2021": 2,
    "total": 2
   },
   "keyCustom": 0,
   "keyStandard": 22,
   "memberCustom": 0,
   "memberStandard": 0,
   "nsprefix": "lgnd",
   "nsuri": "http://www.ligand.com/20220729",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "lgnd-20220729.htm",
      "contextRef": "iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "0001001 - Document - Cover Page",
     "role": "http://www.ligand.com/role/CoverPage",
     "shortName": "Cover Page",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "lgnd-20220729.htm",
      "contextRef": "iaad1a324eb3c4006af7cadcba572cc0e_D20220729-20220729",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 0,
   "tag": {
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_CityAreaCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Area code of city",
        "label": "City Area Code",
        "terseLabel": "City Area Code"
       }
      }
     },
     "localname": "CityAreaCode",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover [Abstract]",
        "terseLabel": "Cover page."
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "xbrltype": "stringItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
        "label": "Document Type",
        "terseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_EntityAddressAddressLine1": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name",
        "label": "Entity Address, Address Line One",
        "terseLabel": "Entity Address, Address Line One"
       }
      }
     },
     "localname": "EntityAddressAddressLine1",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCityOrTown": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the City or Town",
        "label": "Entity Address, City or Town",
        "terseLabel": "Entity Address, City or Town"
       }
      }
     },
     "localname": "EntityAddressCityOrTown",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressPostalZipCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Code for the postal or zip code",
        "label": "Entity Address, Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code"
       }
      }
     },
     "localname": "EntityAddressPostalZipCode",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressStateOrProvince": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the state or province.",
        "label": "Entity Address, State or Province",
        "terseLabel": "Entity Address, State or Province"
       }
      }
     },
     "localname": "EntityAddressStateOrProvince",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "stateOrProvinceItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate if registrant meets the emerging growth company criteria.",
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company"
       }
      }
     },
     "localname": "EntityEmergingGrowthCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityFileNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
        "label": "Entity File Number",
        "terseLabel": "Entity File Number"
       }
      }
     },
     "localname": "EntityFileNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityIncorporationStateCountryCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two-character EDGAR code representing the state or country of incorporation.",
        "label": "Entity Incorporation, State or Country Code",
        "terseLabel": "Entity Incorporation, State or Country Code"
       }
      }
     },
     "localname": "EntityIncorporationStateCountryCode",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number"
       }
      }
     },
     "localname": "EntityTaxIdentificationNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "employerIdItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_PreCommencementIssuerTenderOffer": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.",
        "label": "Pre-commencement Issuer Tender Offer",
        "terseLabel": "Pre-commencement Issuer Tender Offer"
       }
      }
     },
     "localname": "PreCommencementIssuerTenderOffer",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_PreCommencementTenderOffer": {
     "auth_ref": [
      "r3"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.",
        "label": "Pre-commencement Tender Offer",
        "terseLabel": "Pre-commencement Tender Offer"
       }
      }
     },
     "localname": "PreCommencementTenderOffer",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r0"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Title of a 12(b) registered security.",
        "label": "Title of 12(b) Security",
        "terseLabel": "Title of 12(b) Security"
       }
      }
     },
     "localname": "Security12bTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r1"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the Exchange on which a security is registered.",
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name"
       }
      }
     },
     "localname": "SecurityExchangeName",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "edgarExchangeCodeItemType"
    },
    "dei_SolicitingMaterial": {
     "auth_ref": [
      "r4"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.",
        "label": "Soliciting Material",
        "terseLabel": "Soliciting Material"
       }
      }
     },
     "localname": "SolicitingMaterial",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_TradingSymbol": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Trading symbol of an instrument as listed on an exchange.",
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol"
       }
      }
     },
     "localname": "TradingSymbol",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "dei_WrittenCommunications": {
     "auth_ref": [
      "r6"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.",
        "label": "Written Communications",
        "terseLabel": "Written Communications"
       }
      }
     },
     "localname": "WrittenCommunications",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.ligand.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    }
   },
   "unitCount": 0
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b"
  },
  "r1": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r2": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13e",
   "Subsection": "4c"
  },
  "r3": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "14d",
   "Subsection": "2b"
  },
  "r4": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "14a",
   "Subsection": "12"
  },
  "r5": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r6": {
   "Name": "Securities Act",
   "Number": "230",
   "Publisher": "SEC",
   "Section": "425"
  }
 },
 "version": "2.1"
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>13
<FILENAME>0000886163-22-000110-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0000886163-22-000110-xbrl.zip
M4$L#!!0    ( #V! E6S7WEJ!Q8  -R!   1    ;&=N9"TR,#(R,#<R.2YH
M=&WM/6MWVKBVW\^OT&7NG9.N%1%9?M,V9]% ,W0"M EI#GS)DBT93 QF;)-
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M:MUA8][:/S[G^Q]#;__8:M8^#=N=IM;N\+![V;QHU9H7W9-/46OTY;)=^S
MN$BO\V76ZIP5;;["6.:XUXDOFJ.FV;P\-EOTT[!Y627-RP^#[NB8]FI-H[E?
MUYK#PZA5JVOMK\[\H%//FD=D=M YF[4[]?FIZ3D6,X6#A2TL;&B>C3WN<4P\
M3IG%J6\(J[1+X.,XEF;I[W96%O4AU[@*(I=+L?LQ8OW7M?W>VE[>6MO IX1S
MQ\'<U7UL. ['GFYR+%QNZ+YG^QHW2KL!BU)Q:UEW5MDX <V3"!" Z1KI(\57
M)56"$A8>*7%6R4#FO"^EX6@22:FI?ALDDBY6!$UYEG+H8F>UCWS\ZT$+&-)X
MFJ@GI2DJ!;'EE/$CQ+;H2"AILG@*N7P.0I$@!9!8J]CV&G^N\L7-QKN+GU9[
MGP!^8[YX JV29#6P*78E4)C86,K>FV578/(-51<EB^?%(#LKB%I@]0J-.TMB
M>P>$>R[A%3J_9U:<:J7E-H56&(5C/!#2]*G8=)*]O0AY-JAHA/Q?2=7;?9=.
M&%"4E^Q Z_Q[WLFMKB3 F$5A?USQ 8,B*>6-%^5^',5)Y3>B/F\#F"$.V"B,
MYI5_=\(1T&E+7*##>,3&_]Y.P08 "R4)@[QB&EZ*BF8 @.KQHH 8^I&*>S$#
MS=8![.-6HU.OH:-.M5,_6H7Y&4)[5-\[/FQT&O4C5&W54/V_>W]46_MUM-=N
M-AM'1XUVZ]E/X:1Z]$>CM=]IM[91K;Q7!B,:C.4G!)N4S3L!?KKR>4* K3N!
M^[%]V$0/J+X73E-N?#ZE]IXMM'?O!+3IJ$Z[E_RL73L#+5TG[9.&V=OOSMK[
MAV?=R^/+UA T[5!J[Z\&_^-3U*/1N3><P)AG\VZG-VS1+T8;-':W\\7L#J.S
MWK!N]/8/AZU.DX*VGK>^.F;KXM3475W3= =3DSK88$1@QV46IM37'#/PJ$-
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M=^WHF5CQ._GKZM4[[G?_'U!+ P04    "  ]@0)5,1  M6X"  !U!P  $0
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MTY3RMEPYE/5;F1A1X??[G;C8WQI<M^[?;FX_"9P7K+K(\\O]%<\7\P FBK#
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M47E&%X[V'FYT;]VQ^*.]_P%02P$"% ,4    "  ]@0)5LU]Y:@<6  #<@0
M$0              @ $     ;&=N9"TR,#(R,#<R.2YH=&U02P$"% ,4
M"  ]@0)5,1  M6X"  !U!P  $0              @ $V%@  ;&=N9"TR,#(R
M,#<R.2YX<V102P$"% ,4    "  ]@0)5RW3EQ84*  !$7@  %0
M    @ '3&   ;&=N9"TR,#(R,#<R.5]L86(N>&UL4$L! A0#%     @ /8$"
M5:R'S.2P!@  Y#   !4              ( !BR,  &QG;F0M,C R,C W,CE?
=<')E+GAM;%!+!08     !  $  0!  !N*@     !

end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
