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FacilitySource Acquisition - Additional Information (Detail) - USD ($) $ in Millions |  | 3 Months Ended
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Jun. 12, 2018 | Mar. 31, 2019
FacilitySource [Member] |  |
Business Acquisition [Line Items] |  |
Date of business purchase agreement |  | Jun. 12, 2018
Estimated purchase price | $ 266.5 |
Purchase price payable in cash | $ 263.0 |
Blocker Corp [Member] |  |
Business Acquisition [Line Items] |  |
Blocker Units purchase from Stockholders | 1,686,013 |

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- Definition Date when the business acquisition agreement was executed, in CCYY-MM-DD format. + References No definition available. + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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