Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Statement of Comprehensive Income [Abstract]        
Net income attributable to common stockholders $ 27,399 $ 15,003 $ 96,458 $ 86,911
Other comprehensive income:        
Change in net unrealized gains (losses) on cash flow hedges 28 (797) (1,145) (1,608)
Net cash flow hedge losses reclassified to operations 0 277 2,165 974
Total comprehensive income $ 27,427 $ 14,483 $ 97,478 $ 86,277