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Basis of Financial Reporting - Lease Costs, Cash Flows and Weighted Average Remaining Lease Term (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) | Sep. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items] |  |
Total operating rental expense | $ 3,204 | $ 9,414
Cash paid for amounts included in the measurement of lease liabilities: |  |
Operating cash outflows related to operating leases |  | 7,307
Supplemental noncash activity: |  |
Operating ROU assets obtained in exchange for lease obligations, excluding impact of adoption |  | $ 7,972
Weighted average remaining lease term (years) | 7 years 2 months 12 days | 7 years 2 months 12 days
Weighted average discount rate | 3.95% | 3.95%
Rental expense, which is included in "other expenses" on the consolidated statement of income |  |
Lessee, Lease, Description [Line Items] |  |
Total operating rental expense | $ 2,776 | $ 8,276
Rental expense, which is included in "cost to provide communications services" on the consolidated statements of income |  |
Lessee, Lease, Description [Line Items] |  |
Total operating rental expense | $ 428 | $ 1,138

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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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