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Acquisition of eSignLive - Aggregate Purchase Consideration Allocation (Details) - USD ($) $ in Thousands |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Nov. 25, 2015 | Dec. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2015
Acquisition of eSignLive |  |  |  |
Goodwill |  | $ 54,409 | $ 56,332 | $ 80,853
eSignLive |  |  |  |
Acquisition of eSignLive |  |  |  |
Cash |  | 610 |  |
Accounts receivable, net |  | 3,856 |  |
Other current assets |  | 4,215 |  |
Property and equipment |  | 440 |  |
Current liabilities |  | (15,320) |  |
Other non-current liabilities |  | (2,339) |  |
Intangible assets | $ 47,400 | 47,400 |  |
Goodwill |  | 35,912 |  |
Net assets acquired |  | 74,774 |  |
Effect of measurement period adjustments |  |  |  |
Measurement period adjustments, tax benefit |  | (2,344) |  |
eSignLive | As Previously Reported |  |  |  |
Acquisition of eSignLive |  |  |  |
Cash |  |  |  | 514
Accounts receivable, net |  |  |  | 4,471
Other current assets |  |  |  | 4,234
Property and equipment |  |  |  | 416
Current liabilities |  |  |  | (16,896)
Other non-current liabilities |  |  |  | (8,070)
Intangible assets |  |  |  | 30,000
Goodwill |  |  |  | 60,331
Net assets acquired |  |  |  | $ 75,000
eSignLive | Adjustment |  |  |  |
Acquisition of eSignLive |  |  |  |
Cash |  | 96 |  |
Accounts receivable, net |  | (615) |  |
Other current assets |  | (19) |  |
Property and equipment |  | 24 |  |
Current liabilities |  | 1,576 |  |
Other non-current liabilities |  | 5,731 |  |
Intangible assets |  | 17,400 |  |
Goodwill |  | (24,419) |  |
Net assets acquired |  | $ (226) |  |
Effect of measurement period adjustments |  |  |  |
Prior period measurement adjustments, goodwill | (9,146) |  |  |
Prior period measurement adjustments, liabilities reduction | $ (9,146) |  |  |

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