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Schedule of Other Liabilities and Deferred Credits (Detail) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Deferred Credits and Other Liabilities [Abstract] |  |
Pension liabilities | $ 33,295 | $ 33,124
Liability for uncertain tax positions | 44,676 | 43,790
Deferred tax liability | 1,919 | 1,913
Lease liability - operating | 4,420 |
Accrued property and liability losses | 3,500 | 4,123
Other | 9,661 | 11,075
Other liabilities and deferred credits | $ 97,471 | $ 94,025

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- Definition Noncurrent portion of the defined benefit and defined contribution pension plans, postemployment plans, and Multiemployer Plans, excluding the Postretirement benefits liability. + References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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