XML 51 R40.htm IDEA: XBRL DOCUMENT v3.19.1
Unconsolidated Subsidiaries (Schedule) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Variable Interest Entity [Line Items]    
Revenues $ 40,097 $ 31,200
Gross profit 13,385 5,424
Variable interest entity, not primary beneficiary    
Variable Interest Entity [Line Items]    
Revenues 187,239 183,046
Gross profit 19,136 21,144
Income before income taxes $ 16,737 $ 16,122