v3.19.1

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Statement of Financial Position [Abstract] |  |
Other intangibles, accumulated amortization | $ 4,253 | $ 2,979
Limited partner unitholders, units outstanding (in shares) | 228,403,428 | 228,195,160

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