Summarized quarterly financial data for the years ended December 31, 2018 and 2017 was as follows (in thousands, except for per share amounts):



2018 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	317,036		$	307,545		$	301,116		$	301,695
Total expenses	(267,678		)	(265,553		)	(258,303		)	(258,282		)
Equity in net income from unconsolidated joint ventures	(2,398		)	971			4,702			4,036
Equity in net gain (loss) on sale of interest in unconsolidated joint venture/real estate	167,445			70,937			72,025			(6,440		)
Gain (loss) on sale of real estate, net	(36,984		)	(2,504		)	(14,790		)	23,521
Purchase price and other fair value adjustments	—			(3,057		)	11,149			49,293
Depreciable real estate reserves and impairment	(220,852		)	(6,691		)	—			—
Loss on early extinguishment of debt	(14,889		)	(2,194		)	—			—
Noncontrolling interests and preferred unit distributions	838			(7,507		)	(8,606		)	(8,319		)
Net income attributable to SL Green	(57,482		)	91,947			107,293			105,504
Perpetual preferred stock dividends	(3,737		)	(3,738		)	(3,737		)	(3,738		)
Net (loss) income attributable to SL Green common stockholders	$	(61,219	)	$	88,209		$	103,556		$	101,766
Net (loss) income attributable to common stockholders per common share—basic	$	(0.73	)	$	1.03		$	1.19		$	1.12
Net (loss) income attributable to common stockholders per common share—diluted	$	(0.73	)	$	1.03		$	1.19		$	1.12



2017 Quarter Ended	December 31			September 30			June 30			March 31
Total revenues	$	361,342		$	374,600		$	398,150		$	377,381
Total expenses	(314,108		)	(333,913		)	(365,749		)	(332,675		)
Equity in net income from unconsolidated joint ventures	7,788			4,078			3,412			6,614
Equity in net gain on sale of interest in unconsolidated joint venture/real estate	—			1,030			13,089			2,047
Gain (loss) on sale of real estate, net	76,497			—			(3,823		)	567
Depreciable real estate reserves and impairment	(93,184		)	—			(29,064		)	(56,272		)
Gain on the sale of investment in marketable securities	—			—			—			3,262
Noncontrolling interests and preferred unit distributions	(6,616		)	(3,188		)	(4,056		)	14,165
Net income attributable to SL Green	31,719			42,607			11,959			15,089
Perpetual preferred stock dividends	(3,737		)	(3,738		)	(3,737		)	(3,738		)
Net income attributable to SL Green common stockholders	$	27,982		$	38,869		$	8,222		$	11,351
Net income attributable to common stockholders per common share—basic	$	0.29		$	0.40		$	0.08		$	0.11
Net income attributable to common stockholders per common share—diluted	$	0.29		$	0.40		$	0.08		$	0.11