Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 7,775	$ (39,164)	$ 34,818
Other comprehensive income (loss):
Realized losses on cash flow hedges reclassified from accumulated other comprehensive income, net of tax of $(1,219), $(956) and $0, respectively	2,592	2,022	0
Net change in unrealized losses on cash flow hedges, net of tax of $10,598, $4,156 and $0, respectively	(22,596)	(8,751)	0
Realized losses on short-term investments reclassified from accumulated other comprehensive income, net of tax of $0, $(319) and $0, respectively	0	716	0
Net change in unrealized gains (losses) on available-for-sale investments, net of tax of $(6), $69 and $(94), respectively	12	(149)	104
Reclassification of income tax effects of the Tax Cuts and Jobs Act of 2017	0	(102)	0
Comprehensive (loss) income	$ (12,217)	$ (45,428)	$ 34,922