Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Abstract]
Total revenues	$ 442,083	$ 206,501	$ 809,252	$ 387,556
San Francisco, CA
Disaggregation of Revenue [Abstract]
Total revenues	79,853	48,285	163,096	92,733
Los Angeles, CA
Disaggregation of Revenue [Abstract]
Total revenues	54,682	32,736	102,046	62,465
San Diego, CA
Disaggregation of Revenue [Abstract]
Total revenues	62,851	16,995	120,139	34,124
Boston, MA
Disaggregation of Revenue [Abstract]
Total revenues	81,842	21,770	129,374	34,088
Seattle, WA
Disaggregation of Revenue [Abstract]
Total revenues	8,121	9,104	14,762	15,525
Portland, OR
Disaggregation of Revenue [Abstract]
Total revenues	28,585	26,492	47,288	44,905
Washington DC
Disaggregation of Revenue [Abstract]
Total revenues	35,828	8,123	63,756	13,508
Southern FL
Disaggregation of Revenue [Abstract]
Total revenues	29,501	14,784	69,031	35,767
Chicago, IL
Disaggregation of Revenue [Abstract]
Total revenues	25,324	0	36,423	0
Other
Disaggregation of Revenue [Abstract]
Total revenues	$ 35,496	$ 28,212	$ 63,337	$ 54,441