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Exit Activity Costs and Asset Impairments (Narrative) (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 USD ($) | Dec. 31, 2021 USD ($) facility | Dec. 31, 2020 USD ($) facility | Dec. 31, 2019 USD ($) facility
Restructuring Cost and Reserve [Line Items] |  |  |  |
Number of consolidated facilities to be closed | facility |  | 4 | 2 | 1
Gain on sale of business |  | $ 0 | $ 1,881 | $ 0
Apartment Tour Application Business |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cash proceeds from sale of business | $ 2,000 |  |  |
Gain on sale of business | $ 1,900 |  |  |

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- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
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