Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

	3/31/2018			6/30/2018			9/30/2018		12/31/2018
Total gross revenues	$	102,637		$	105,493		$	99,958	$	87,251
Net income (loss)	$	(14,823	)	$	(795	)	$	220,850	$	25,674
Net income (loss) attributable to common shareholders	$	(15,957	)	$	(3,327	)	$	216,190	$	23,796
Net income (loss) attributable to common shareholders - basic per share	$	(0.07	)	$	(0.01	)	$	0.91	$	0.10
Net income (loss) attributable to common shareholders - diluted per share	$	(0.07	)	$	(0.01	)	$	0.90	$	0.10

	3/31/2017		6/30/2017		9/30/2017		12/31/2017
Total gross revenues	$	96,099	$	95,684	$	97,689	$	102,169
Net income	$	42,220	$	7,365	$	5,596	$	31,448
Net income attributable to common shareholders	$	40,397	$	5,519	$	3,916	$	29,235
Net income attributable to common shareholders - basic per share	$	0.17	$	0.02	$	0.02	$	0.12
Net income attributable to common shareholders - diluted per share	$	0.17	$	0.02	$	0.02	$	0.12