Notes Payable Scheduled Future Maturities Unsecured Notes Payable (Tables)

12 Months Ended

Dec. 31, 2011

Notes Payable [Abstract]

Schedule of Long-term Debt Instruments

The following table summarizes our unsecured notes outstanding as of December 31, 2011 (dollars in thousands):

	Coupon/Stated Rate		Effective Rate (1)		Principal Amount			Maturity Date (2)
10 Year Unsecured Notes	5.050	%	5.064	%	$	50,000		5/1/2012
10 Year Unsecured Notes	5.125	%	5.230	%	60,000			3/25/2013
10 Year Unsecured Notes	5.250	%	5.340	%	100,000			1/15/2014
10 Year Unsecured Notes	5.350	%	5.359	%	50,000			5/1/2015
10 Year Unsecured Notes	5.350	%	5.490	%	100,000			5/1/2015
10 Year Unsecured Notes	4.950	%	5.053	%	250,000			10/1/2020
30 Year Unsecured Notes	7.250	%	7.360	%	50,000			2/25/2028
Total principal					660,000
Net unamortized discount					(2,530		)
Total					$	657,470

⁽¹⁾ Yield on issuance date, including the effects of discounts on the notes.

⁽²⁾ No principal amounts are due prior to maturity.

Schedule of Maturities of Long-term Debt

Scheduled principal payments during the five years subsequent to December 31, 2011 and thereafter are as follows (in thousands):

2012	$	27,000
2013	87,580
2014	3,724
2015	22,390
2016	134,943
Thereafter	156,548
	432,185
Net discounts/premiums	(4,475		)
Total	$	427,710

The required principal payments excluding the effects of note discounts or premium for the remaining years subsequent to December 31, 2011 are as follows (in thousands):

2012	$	50,000
2013	60,000
2014	100,000
2015	150,000
2016	—
Thereafter	300,000
	$	660,000