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Goodwill and Intangible Assets - Summary of Goodwill Activity by Reportable Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2020 | Mar. 31, 2020 | Jun. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Goodwill [Roll Forward] |  |  |  |  |
Beginning balance |  | $ 185,470 | $ 185,470 | $ 185,470 | $ 159,279
Goodwill acquired during the year |  |  |  |  | 26,191
Goodwill impairment | $ (1,800) |  |  | (27,074) |
Ending balance | 158,396 |  |  | 158,396 | 185,470
Casinos |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |
Beginning balance |  | 87,366 | 87,366 | 87,366 | 61,175
Goodwill acquired during the year |  |  |  |  | 26,191
Goodwill impairment |  | (6,500) | (18,800) | (27,074) |
Ending balance | 60,292 |  |  | 60,292 | 87,366
Distributed Gaming |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |
Beginning balance |  | $ 98,104 | $ 98,104 | 98,104 | 98,104
Goodwill acquired during the year |  |  |  |  | 0
Goodwill impairment |  |  |  | 0 |
Ending balance | $ 98,104 |  |  | $ 98,104 | $ 98,104

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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