Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 17,865	$ (9,700)
Other comprehensive income:
Change in fair value of interest rate cap	13	48
Comprehensive income (loss)	$ 17,878	$ (9,652)