Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Pro Forma Financial Information (Details)

v3.19.1
Acquisitions - Pro Forma Financial Information (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
acquisition
Mar. 31, 2018
USD ($)
$ / shares
Dec. 31, 2018
acquisition
Business Combinations [Abstract]      
Total revenue | $   $ 216,151  
Net income | $   $ 7,888  
Net income per share:      
Basic net income per share (in dollars per share) | $ / shares   $ 0.10  
Diluted net income per share (in dollars per share) | $ / shares   $ 0.09  
Number of acquisitions | acquisition 0   4