Indebtedness (Tables)

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Fair Value, Liabilities Measured on a Recurring Basis, Disclosure Only

The following table summarizes the book value and changes in the fair value of our debt for the three months endedMarch 31, 2016 (in thousands):

	Book Value at 12/31/2015		Book Value at 3/31/2016		Fair Value at 12/31/2015		Issuances and Assumptions		Payments/Payoffs			Adjustments to Fair Value		Fair Value at 3/31/2016
Fixed rate secured debt	$	736,896	$	720,363	$	789,095	$	—	$	(16,377	)	$	2,731	$	775,449
Variable rate secured debt	3,100		3,100		3,100		—		—			—		3,100
Unsecured debt	2,530,743		2,530,165		2,624,795		—		(579		)	21,773		2,645,989
Unsecured line of credit	71,000		148,000		70,852		77,000		—			148		148,000
Total	$	3,341,739	$	3,401,628	$	3,487,842	$	77,000	$	(16,956	)	$	24,652	$	3,572,538
Less: Deferred financing costs	21,598		20,568
Total indebtedness as reported on the consolidated balance sheets	$	3,320,141	$	3,381,060

Unsecured Line of Credit

Our unsecured line of credit at March 31, 2016 is described as follows (in thousands):

Description	Maximum Capacity		Maturity Date	Outstanding Balance at March 31, 2016
Unsecured Line of Credit - Partnership	$	1,200,000	January 2019	$	148,000