Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule Of Quarterly Financial Data

	2019												2018
	4th			3rd			2nd			1st			4th			3rd			2nd			1st
Total revenues		$17,911			$19,980			$15,751			$22,917			$28,341			$25,146			$24,258			$23,382
Total costs and expenses	(18,708		)	(16,930		)	(17,810		)	(18,645		)	(22,090		)	(21,040		)	(19,536		)	(18,824		)
(Loss)/earnings from operations	(2,204		)	1,259			(3,380		)	2,350			4,175			2,227			2,710			2,875
Net (loss)/earnings	(1,010		)	1,167			(2,942		)	2,149			3,424			2,363			2,196			2,477
Basic (loss)/earnings per share	(1.79		)	2.07			(5.21		)	3.79			6.00			4.11			3.77			4.19
Diluted (loss)/earnings per share	(1.79		)	2.05			(5.21		)	3.75			5.93			4.07			3.73			4.15