PELP Acquisition Business Combination Pro Forma Information (Details) - USD ($) $ in Thousands |
12 Months Ended | |
---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
|
Business Combinations [Abstract] | ||
Pro forma revenues | $ 402,898 | $ 400,089 |
Pro forma net income (loss) attributable to stockholders | $ 1,982 | $ (3,956) |