Fair Values of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

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

Fair values of financial instruments were as follows (in thousands):

	As of December 31,
	2015				2014
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial Assets:
Cash and cash equivalents	$	74,961	$	74,961	$	116,241	$	116,241
Mortgage loan receivable	3,331		3,331		3,417		3,417
Interest rate swap agreements	474		474		1,131		1,131
Financial Liabilities:
Mortgage notes payable	$	1,238,336	$	1,235,553	$	1,339,450	$	1,327,637
Notes payable to banks	550,000		548,414		481,500		477,967
Interest rate swap agreements	9,026		9,026		11,077		11,077