The following tables provide components of segment profit for each segment for the three and nine months ended September 30, 2018 and 2017 (amounts in thousands):



	Three Months Ended September 30, 2018
	Real Estate			Observatory			Intersegment Elimination			Total
Revenues:
Rental revenue	$	123,621		$	—		$	—		$	123,621
Intercompany rental revenue	23,805			—			(23,805		)	—
Tenant expense reimbursement	18,627			—			—			18,627
Observatory revenue	—			40,241			—			40,241
Lease termination fees	1,185			—			—			1,185
Third-party management and other fees	312			—			—			312
Other revenue and fees	2,416			—			—			2,416
Total revenues	169,966			40,241			(23,805		)	186,402
Operating expenses:
Property operating expenses	42,772			—			—			42,772
Intercompany rent expense	—			23,805			(23,805		)	—
Ground rent expense	2,331			—			—			2,331
General and administrative expenses	13,148			—			—			13,148
Observatory expenses	—			8,854			—			8,854
Real estate taxes	28,284			—			—			28,284
Depreciation and amortization	42,458			17			—			42,475
Total operating expenses	128,993			32,676			(23,805		)	137,864
Total operating income	40,973			7,565			—			48,538
Other income (expense):
Interest income	3,485			—			—			3,485
Interest expense	(20,658		)	—			—			(20,658		)
Income before income taxes	23,800			7,565			—			31,365
Income tax expense	(277		)	(1,858		)	—			(2,135		)
Net income	$	23,523		$	5,707		$	—		$	29,230
Segment assets	$	3,904,454		$	262,378		$	—		$	4,166,832
Expenditures for segment assets	$	52,613		$	14,507		$	—		$	67,120



	Three Months Ended September 30, 2017
	Real Estate			Observatory			Intersegment Elimination			Total
Revenues:
Rental revenue	$	122,391		$	—		$	—		$	122,391
Intercompany rental revenue	23,301			—			(23,301		)	—
Tenant expense reimbursement	20,346			—			—			20,346
Observatory revenue	—			39,306			—			39,306
Lease termination fees	1,165			—			—			1,165
Third-party management and other fees	345			—			—			345
Other revenue and fees	2,993			—			—			2,993
Total revenues	170,541			39,306			(23,301		)	186,546
Operating expenses:
Property operating expenses	41,270			—			—			41,270
Intercompany rent expense	—			23,301			(23,301		)	—
Ground rent expense	2,331			—			—			2,331
General and administrative expenses	12,899			—			—			12,899
Observatory expenses	—			8,648			—			8,648
Real estate taxes	26,901			—			—			26,901
Depreciation and amortization	38,473			17			—			38,490
Total operating expenses	121,874			31,966			(23,301		)	130,539
Total operating income	48,667			7,340			—			56,007
Other income (expense):
Interest income	774			—			—			774
Interest expense	(16,890		)	—			—			(16,890		)
Loss on early extinguishment of debt	(2,157		)	—			—			(2,157		)
Income before income taxes	30,394			7,340			—			37,734
Income tax expense	(264		)	(1,981		)	—			(2,245		)
Net income	$	30,130		$	5,359		$	—		$	35,489
Segment assets	$	3,582,935		$	265,999		$	—		$	3,848,934
Expenditures for segment assets	$	40,320		$	13,411		$	—		$	53,731



	Nine Months Ended September 30, 2018
	Real Estate			Observatory			Intersegment Elimination			Total
Revenues:
Rental revenue	$	369,970		$	—		$	—		$	369,970
Intercompany rental revenue	59,356			—			(59,356		)	—
Tenant expense reimbursement	52,626			—			—			52,626
Observatory revenue	—			96,691			—			96,691
Lease termination fees	2,164			—			—			2,164
Third-party management and other fees	1,151			—			—			1,151
Other revenue and fees	9,600			—			—			9,600
Total revenues	494,867			96,691			(59,356		)	532,202
Operating expenses:
Property operating expenses	126,375			—			—			126,375
Intercompany rent expense	—			59,356			(59,356		)	—
Ground rent expense	6,994			—			—			6,994
General and administrative expenses	39,001			—			—			39,001
Observatory expenses	—			23,868			—			23,868
Real estate taxes	81,771			—			—			81,771
Depreciation and amortization	121,775			51			—			121,826
Total operating expenses	375,916			83,275			(59,356		)	399,835
Total operating income	118,951			13,416			—			132,367
Other income (expense):
Interest income	7,209			—			—			7,209
Interest expense	(58,774		)	—			—			(58,774		)
Income before income taxes	67,386			13,416			—			80,802
Income tax expense	(852		)	(2,478		)	—			(3,330		)
Net income	$	66,534		$	10,938		$	—		$	77,472
Expenditures for segment assets	$	148,429		$	41,930		$	—		$	190,359



	Nine Months Ended September 30, 2017
	Real Estate			Observatory			Intersegment Elimination			Total
Revenues:
Rental revenue	$	360,348		$	—		$	—		$	360,348
Intercompany rental revenue	57,354			—			(57,354		)	—
Tenant expense reimbursement	53,889			—			—			53,889
Observatory revenue	—			94,212			—			94,212
Lease termination fees	10,354			—			—			10,354
Third-party management and other fees	1,088			—			—			1,088
Other revenue and fees	7,338			—			—			7,338
Total revenues	490,371			94,212			(57,354		)	527,229
Operating expenses:
Property operating expenses	122,009			—			—			122,009
Intercompany rent expense	—			57,354			(57,354		)	—
Ground rent expense	6,994			—			—			6,994
General and administrative expenses	36,566			—			—			36,566
Observatory expenses	—			23,079			—			23,079
Real estate taxes	76,001			—			—			76,001
Depreciation and amortization	119,764			104			—			119,868
Total operating expenses	361,334			80,537			(57,354		)	384,517
Total operating income	129,037			13,675			—			142,712
Other income (expense):
Interest income	2,169			—			—			2,169
Interest expense	(52,109		)	—			—			(52,109		)
Loss on early extinguishment of debt	(2,157		)	—			—			(2,157		)
Loss from derivative financial instruments	(289		)	—			—			(289		)
Income before income taxes	76,651			13,675			—			90,326
Income tax expense	(960		)	(3,373		)	—			(4,333		)
Net income	$	75,691		$	10,302		$	—		$	85,993
Expenditures for segment assets	$	142,854		$	20,261		$	—		$	163,115