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Information by Business Segment (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Reconciliation of segment revenues to total revenues |  |  |  |
Construction contract and other service revenues | $ 8,423 | $ 29,786 | $ 53,202 | $ 65,958
Total revenues | 137,411 | 157,017 | 439,630 | 448,253
Reconciliation of UJV NOI allocable to COPT to Equity Income in Unconsolidated Entities |  |  |  |
UJV NOI allocable to COPT | 1,206 | 1,202 | 3,607 | 3,602
Less: Income from UJV allocable to COPT attributable to depreciation and amortization expense and interest expense | (830) | (830) | (2,482) | (2,481)
Add: Equity in loss of unconsolidated non-real estate entities | (2) | (1) | (5) | (3)
Equity in income of unconsolidated entities | 374 | 371 | 1,120 | 1,118
Computation of net operating income from service operations |  |  |  |
Construction contract and other service revenues | 8,423 | 29,786 | 53,202 | 65,958
Construction contract and other service expenses | (8,058) | (28,788) | (51,215) | (63,589)
Real estate operations |  |  |  |
Reconciliation of segment revenues to total revenues |  |  |  |
Total revenues | 128,988 | 127,231 | 386,428 | 382,295
Reconciliation of UJV NOI allocable to COPT to Equity Income in Unconsolidated Entities |  |  |  |
UJV NOI allocable to COPT | 1,206 | 1,202 | 3,607 | 3,602
Service operations |  |  |  |
Computation of net operating income from service operations |  |  |  |
NOI from service operations | $ 365 | $ 998 | $ 1,987 | $ 2,369

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