Fair Values of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Schedule of fair value, assets and liabilities measured on recurring basis

Assets and liabilities measured at fair value on a recurring basis were as follows (in thousands):

	As of December 31,
	2014				2013
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial Assets:
Cash and cash equivalents	$	116,241	$	116,241	$	58,678	$	58,678
Mortgage loan receivable	3,417		3,417		3,502		3,502
Interest rate swap agreements	1,131		1,131		2,021		2,021
Financial Liabilities:
Mortgage notes payable	$	1,339,450	$	1,327,637	$	1,097,493	$	1,062,648
Notes payable to banks	481,500		477,967		303,000		302,393
Interest rate swap agreements	11,077		11,077		8,429		8,429