Assets and Equity  
  Total Assets ($000)  
  Total Equity ($000)  
 2017 FQ1
3/31/2017
2017 FQ2
6/30/2017
2017 FQ3
9/30/2017
2017 FQ4
12/31/2017
2018 FQ1
3/31/2018
Total Assets ($000)4,388,7634,375,5294,469,2304,529,8504,566,326
Total Equity ($000)397,785406,042414,228413,284413,081