Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Pro Forma Financial Information (Details)

v3.19.2
Acquisitions - Pro Forma Financial Information (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2019
USD ($)
$ / shares
Jun. 30, 2018
USD ($)
$ / shares
Jun. 30, 2019
USD ($)
$ / shares
Jun. 30, 2018
USD ($)
$ / shares
Dec. 31, 2018
acquisition
Business Combinations [Abstract]          
Total revenue | $ $ 244,030 $ 227,150 $ 479,720 $ 444,313  
Net income | $ $ 15,168 $ 6,386 $ 26,369 $ 14,030  
Net income per share:          
Basic net income per share (in dollars per share) | $ / shares $ 0.17 $ 0.07 $ 0.29 $ 0.17  
Diluted net income per share (in dollars per share) | $ / shares $ 0.16 $ 0.07 $ 0.27 $ 0.16  
Number of acquisitions | acquisition         4