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Leases (Tables) | 12 Months Ended
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Dec. 31, 2018
Leases [Abstract] |
Carrying value of property leased or held for lease to others (in thousands) |
Construction aggregates property |  | $ | 35,294 |
Commercial property |  |  | 55,842 |
|  |  | 91,136 |
less accumulated depreciation and depletion |  |  | 17,223 |
|  | $ | 73,913 |

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- Definition Tabular disclosure of lessor's property under leasing agreements and property available for lease (not currently under lease) by property class, the gross amount, accumulated depreciation and net amount of as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718 + Details
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