Condensed Consolidated Statement Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 43,145	$ 35,959
Other comprehensive income:
Net foreign currency translation adjustment		0
Other Comprehensive Income (Loss), Net of Tax	349
Total comprehensive income	$ 43,494	$ 35,959