Segment Information (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Schedule of ownership of properties that are primarily leased to government tenants and our equity method investment in SIR

We operate in two separate reportable business segments: direct ownership of real estate properties and our equity method investment in SIR:

	Year Ended December 31, 2017
	Investment in Real Estate			Investment in SIR		Corporate			Consolidated
Rental income	$	316,532		$	—	$	—		$	316,532
Expenses:
Real estate taxes	37,942			—		—			37,942
Utility expenses	20,998			—		—			20,998
Other operating expenses	65,349			—		—			65,349
Depreciation and amortization	109,588			—		—			109,588
Loss on impairment of real estate	9,490			—		—			9,490
General and administrative	—			—		18,847			18,847
Total expenses	243,367			—		18,847			262,214
Operating income (loss)	73,165			—		(18,847		)	54,318
Dividend income	—			—		1,216			1,216
Interest income	196			—		1,766			1,962
Interest expense	(3,209		)	—		(62,197		)	(65,406		)
Loss on early extinguishment of debt	—			—		(1,715		)	(1,715		)
Gain on issuance of shares by Select Income REIT	—			72		—			72
Income (loss) from continuing operations before income taxes,
equity in earnings (losses) of investees and gain on sale of real estate	70,152			72		(79,777		)	(9,553		)
Income tax expense	—			—		(101		)	(101		)
Equity in earnings (losses) of investees	(621		)	21,584		608			21,571
Income (loss) from continuing operations	69,531			21,656		(79,270		)	11,917
Income from discontinued operations	173			—		—			173
Net income (loss)	69,704			21,656		(79,270		)	12,090
Preferred units of limited partnership distributions	—			—		(275		)	(275		)
Net income (loss) available for common shareholders	$	69,704		$	21,656	$	(79,545	)	$	11,815
	As of December 31, 2017
	Investment in Real Estate			Investment in SIR		Corporate			Consolidated
Total Assets	$	3,138,764		$	467,499	$	97,302		$	3,703,565

	Year Ended December 31, 2016
	Investment in Real Estate			Investment in SIR		Corporate			Consolidated
Rental income	$	258,180		$	—	$	—		$	258,180
Expenses:
Real estate taxes	30,703			—		—			30,703
Utility expenses	17,269			—		—			17,269
Other operating expenses	54,290			—		—			54,290
Depreciation and amortization	73,153			—		—			73,153
Acquisition related costs	1,191			—		—			1,191
General and administrative	—			—		14,897			14,897
Total expenses	176,606			—		14,897			191,503
Operating income (loss)	81,574			—		(14,897		)	66,677
Dividend income	—			—		971			971
Interest income	124			—		34			158
Interest expense	(2,375		)	—		(42,685		)	(45,060		)
Gain on early extinguishment of debt	104			—		—			104
Net gain on issuance of shares by Select Income REIT	—			86		—			86
Income (loss) from continuing operations before income taxes,
equity in earnings (losses) of investees and gain on sale of real estate	79,427			86		(56,577		)	22,936
Income tax expense	—			—		(101		)	(101		)
Equity in earnings of investees	—			35,381		137			35,518
Income (loss) from continuing operations	79,427			35,467		(56,541		)	58,353
Loss from discontinued operations	(589		)	—		—			(589		)
Income (loss) before gain on sale of real estate	78,838			35,467		(56,541		)	57,764
Gain on sale of real estate	79			—		—			79
Net income (loss)	78,917			35,467		(56,541		)	57,843
Preferred units of limited partnership distributions	—			—		—			—
Net income (loss) available for common shareholders	$	78,917		$	35,467	$	(56,541	)	$	57,843
	As of December 31, 2016
	Investment in Real Estate			Investment in SIR		Corporate			Consolidated
Total Assets	$	1,807,560		$	487,708	$	89,798		$	2,385,066

	Year Ended December 31, 2015
	Investment in Real Estate			Investment in SIR			Corporate			Consolidated
Rental income	$	248,549		$	—		$	—		$	248,549
Expenses:
Real estate taxes	29,906			—			—			29,906
Utility expenses	17,916			—			—			17,916
Other operating expenses	50,425			—			—			50,425
Depreciation and amortization	68,696			—			—			68,696
Acquisition related costs	561			—			250			811
General and administrative	—			—			14,826			14,826
Total expenses	167,504			—			15,076			182,580
Operating income (loss)	81,045			—			(15,076		)	65,969
Dividend income	—			—			811			811
Interest income	10			—			4			14
Interest expense	(7,908		)	—			(29,100		)	(37,008		)
Gain on early extinguishment of debt	34			—			—			34
Loss on distribution to common shareholders of The RMR Group Inc. common stock							(12,368		)	(12,368		)
Net loss on issuance of shares by Select Income REIT	—			(42,145		)	—			(42,145		)
Loss on impairment of Select Income REIT investment	—			(203,297		)	—			(203,297		)
Income (loss) from continuing operations before income taxes,
equity in earnings (losses) of investees and gain on sale of real estate	73,181			(245,442		)	(55,729		)	(227,990		)
Income tax expense	—			—			(86		)	(86		)
Equity in earnings of investees	—			18,620			20			18,640
Income (loss) from continuing operations	73,181			(226,822		)	(55,795		)	(209,436		)
Loss from discontinued operations	(525		)	—			—			(525		)
Net income (loss)	72,656			(226,822		)	(55,795		)	(209,961		)
Preferred units of limited partnership distributions	—			—			—			—
Net income (loss) available for common shareholders	$	72,656		$	(226,822	)	$	(55,795	)	$	(209,961	)
	As of December 31, 2015
	Investment in Real Estate			Investment in SIR			Corporate			Consolidated
Total Assets	$	1,639,462		$	491,369		$	37,679		$	2,168,510