Equity (Tables)

6 Months Ended

Jun. 30, 2015

Stockholders' Equity Note [Abstract]

Summary of changes in equity

The following summarizes the changes in equity for the six months ended June 30, 2015 (dollars in thousands):

	Common stock		Additional paid-in capital		Accumulated earnings less dividends			Accumulated other comprehensive loss			Total equity
Balance at December 31, 2014	$	1,320	$	9,354,685	$	(267,085	)	$	(42,515	)	$	9,046,405
Net income attributable to common stockholders	—		—		380,469			—			380,469
Cash flow hedge loss reclassified to earnings	—		—		—			2,992			2,992
Change in redemption value of redeemable noncontrolling interest	—		—		1,807			—			1,807
Dividends declared to common stockholders	—		—		(331,323		)	—			(331,323		)
Issuance of common stock, net of withholdings	9		96,337		(1,309		)	—			95,037
Amortization of deferred compensation	—		15,098		—			—			15,098
Balance at June 30, 2015	$	1,329	$	9,466,120	$	(217,441	)	$	(39,523	)	$	9,210,485