Consolidated Statements of Cash Flows Supplemental Disclosures (Non-cash Investing and Financing Activities) (Details) - USD ($) $ in Thousands |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Nov. 30, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Noncash or Part Noncash Acquisitions [Line Items] | ||||
| Non-cash additions for purchases of property and equipment | $ 20,630 | $ 36,854 | $ 26,799 | |
| Asset retirement obligation additions to property and equipment | 4,655 | 4,948 | 2,048 | |
| Non-cash consideration for KKCC assets | $ 14,100 | |||
| KKCC Assets | ||||
| Noncash or Part Noncash Acquisitions [Line Items] | ||||
| Non-cash consideration for KKCC assets | 0 | 13,993 | 0 | |
| Wireless Acquisition | ||||
| Noncash or Part Noncash Acquisitions [Line Items] | ||||
| Non-cash consideration for Wireless Acquisition | $ 0 | $ 0 | $ 23,326 | |
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- Definition Asset Retirement Obligation Additions to Property and Equipment including through revisions of estimate and liabilities incurred. No definition available.
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- Definition Noncash or Part Noncash consideration provider to buyer of a business or asset. Noncash is defined as transactions during a period that affect recognized assets or liabilities, but do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. No definition available.
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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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