Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues
Rental revenue, net	$ 345,607	$ 303,329
Escalation and reimbursement	45,611	40,969
Investment income	54,737	42,069
Other income	9,489	9,932
Total revenues	455,444	396,299
Expenses
Operating expenses, including $3,462 in 2016 and $3,808 in 2015 of related party expenses	79,520	76,777
Real estate taxes	61,674	55,723
Ground rent	8,308	8,188
Interest expense, net of interest income	94,672	75,807
Amortization of deferred financing costs	7,932	6,615
Depreciation and amortization	179,308	108,337
Transaction related costs	1,279	1,143
Marketing, general and administrative	24,032	25,464
Total expenses	456,725	358,054
(Loss) income from continuing operations before equity in net income from unconsolidated joint ventures, equity in net gain on sale of interest in unconsolidated joint venture/real estate, gain on sale of real estate and loss on early extinguishment of debt	(1,281)	38,245
Equity in net income from unconsolidated joint ventures	10,096	4,030
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	9,915	0
Gain on sale of real estate, net	13,773	0
Loss on early extinguishment of debt	0	(49)
Income from continuing operations	32,503	42,226
Net income from discontinued operations	0	427
Gain on sale of discontinued operations	0	12,983
Net income	32,503	55,636
Net income attributable to noncontrolling interests:
Noncontrolling interests in the Operating Partnership	(922)	(1,743)
Net income attributable to noncontrolling interests in other partnerships	(1,974)	(5,927)
Preferred unit distributions	(2,648)	(951)
Net income (loss) attributable to SL Green/SLGOP	26,959	47,015
Perpetual preferred stock dividends	(3,738)	(3,738)
Amounts attributable to SL Green common stockholders:
Income from continuing operations before purchase price fair value adjustment, gains on sale and discontinued operations	438	30,387
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	9,536	0
Net income from discontinued operations	0	410
Gain on sale of discontinued operations	0	12,480
Gain on sale of real estate	13,247	0
Net income attributable to SL Green common stockholders	$ 23,221	$ 43,277
Basic earnings per share:
Income from continuing operations before purchase price fair value adjustment, gains on sale and discontinued operations (usd per share)	$ 0.00	$ 0.31
Equity in net gain on sale of interest in unconsolidated joint venture/real estate (usd per share)	0.10	0.00
Net income from discontinued operations (usd per share)	0.00	0.00
Gain on sale of discontinued operations (usd per share)	0.00	0.13
Gain on sale of real estate (in dollars per share)	0.13	0.00
Net income attributable to SL Green common stockholders (usd per share)	0.23	0.44
Diluted earnings per share:
Income from continuing operations before purchase price fair value adjustment, gains on sale and discontinued operations (usd per share)	0.00	0.31
Equity in net gain on sale of interest in unconsolidated joint venture/real estate (usd per share)	0.10	0.00
Net income from discontinued operations (usd per share)	0.00	0.00
Gain on sale of discontinued operations (usd per share)	0.00	0.13
Gain on sale of real estate (in dollars per share)	0.13	0.00
Net income attributable to SL Green common stockholders (usd per share)	0.23	0.44
Dividends per share/unit (usd per share)	$ 0.72	$ 0.60
Basic weighted average common shares outstanding (in shares)	100,051	98,402
Diluted weighted average common shares and common share equivalents outstanding (in shares)	104,259	103,019
SL Green Operating Partnership
Revenues
Rental revenue, net	$ 345,607	$ 303,329
Escalation and reimbursement	45,611	40,969
Investment income	54,737	42,069
Other income	9,489	9,932
Total revenues	455,444	396,299
Expenses
Operating expenses, including $3,462 in 2016 and $3,808 in 2015 of related party expenses	79,520	76,777
Real estate taxes	61,674	55,723
Ground rent	8,308	8,188
Interest expense, net of interest income	94,672	75,807
Amortization of deferred financing costs	7,932	6,615
Depreciation and amortization	179,308	108,337
Transaction related costs	1,279	1,143
Marketing, general and administrative	24,032	25,464
Total expenses	456,725	358,054
(Loss) income from continuing operations before equity in net income from unconsolidated joint ventures, equity in net gain on sale of interest in unconsolidated joint venture/real estate, gain on sale of real estate and loss on early extinguishment of debt	(1,281)	38,245
Equity in net income from unconsolidated joint ventures	10,096	4,030
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	9,915	0
Gain on sale of real estate, net	13,773	0
Loss on early extinguishment of debt	0	(49)
Income from continuing operations	32,503	42,226
Net income from discontinued operations	0	427
Gain on sale of discontinued operations	0	12,983
Net income	32,503	55,636
Net income attributable to noncontrolling interests:
Noncontrolling interests in the Operating Partnership	(922)
Net income attributable to noncontrolling interests in other partnerships	(1,974)	(5,927)
Preferred unit distributions	(2,648)	(951)
Net income (loss) attributable to SL Green/SLGOP	27,881	48,758
Perpetual preferred unit distributions	(3,738)	(3,738)
Net income attributable to SLGOP common unitholders	24,143	45,020
Amounts attributable to SL Green common stockholders:
Income from continuing operations before purchase price fair value adjustment, gains on sale and discontinued operations	455	31,610
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	9,915	0
Net income from discontinued operations	0	427
Gain on sale of discontinued operations	0	12,983
Gain on sale of real estate	13,773	0
Net income attributable to SL Green common stockholders	$ 24,143	$ 45,020
Basic earnings per share:
Income from continuing operations before gains on sale and discontinued operations (usd per share)	$ 0.00	$ 0.31
Equity in net gain on sale of interest in unconsolidated joint venture/real estate (usd per share)	0.10	0.00
Net income from discontinued operations (usd per share)	0.00	0.00
Gain on sale of discontinued operations (usd per share)	0.00	0.13
Gain on sale of real estate (in dollars per share)	0.13	0.00
Net income attributable to SLGOP common unitholders (usd per share)	0.23	0.44
Diluted earnings per share:
Income from continuing operations before gains on sale and discontinued operations (usd per share)	0.00	0.31
Equity in net gain on sale of interest in unconsolidated joint venture/real estate (usd per share)	0.10	0.00
Net income from discontinued operations (usd per share)	0.00	0.00
Gain on sale of discontinued operations (usd per share)	0.00	0.13
Gain on sale of real estate (in dollars per share)	0.13	0.00
Net income attributable to SLGOP common unitholders (usd per share)	0.23	0.44
Dividends per share/unit (usd per share)	$ 0.72	$ 0.6
Basic weighted average common shares outstanding (in shares)	104,025	102,366
Basic weighted average common units outstanding (in shares)	104,025	102,366
Diluted weighted average common units and common unit equivalents outstanding (in shares)	104,259	103,019