Nature of Business (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Standards Update 2016-18

Table Text Blocks

Schedule of adjusted Statements of Consolidated Cash Flows from previously reported amount

	Six Months Ended
	June 30, 2017
	As previously reported		Adjustments		As adjusted
Cash flows from Operating Activities:
Net decrease in restricted cash related to lease obligations	$	1,190	$	(1,190)	$	—
Net cash flows used in operating activities		(59,107)		(1,190)		(60,297)
Net change in cash, cash equivalents, and restricted cash		128,128		(1,190)		126,938
Cash, cash equivalents, and restricted cash, beginning of period		54,004		8,247		62,251
Cash, cash equivalents, and restricted cash, end of period	$	182,132	$	7,057	$	189,189