XML 24 R52.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivatives and Hedging Activities (Narrative) (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Mar. 31, 2013
Goldman Sachs [Member]
Dec. 31, 2012
Goldman Sachs [Member]
Mar. 31, 2013
Interest Rate Swap [Member]
Mortgage Loan Interest Rate Swap [Member]
Dec. 31, 2012
Interest Rate Swap [Member]
Mortgage Loan Interest Rate Swap [Member]
Mar. 31, 2013
Interest Rate Swap [Member]
Construction Loan Interest Rate Swap [Member]
Dec. 31, 2012
Interest Rate Swap [Member]
Construction Loan Interest Rate Swap [Member]
Mar. 31, 2013
Interest Rate Swap [Member]
Goldman Sachs [Member]
Dec. 31, 2012
Interest Rate Swap [Member]
Goldman Sachs [Member]
Jun. 25, 2009
Interest Rate Swap [Member]
Goldman Sachs [Member]
Derivative Instruments, Gain (Loss) [Line Items]                        
Unrealized loss net of tax related to the fair value of the interest rate swap recorded in accumulated other comprehensive loss $ (3,960,000) $ (4,173,000) $ (4,736,000)     $ (1,500,000) $ (1,700,000) $ (2,500,000) $ (2,500,000)      
Interest rate swaps, accumulated other comprehensive loss expected to be reclassified into earnings in next twelve months (900,000)                      
Notional amount                       97,000,000
Rate of fixed-rate payments for interest rate swap                       5.3075%
Cash collateral deposit       33,827,000 37,694,000         33,827,000 37,694,000  
Total amount of fair value recorded in accrued expenses                   900,000 2,300,000  
Termination value of obligations $ 29,400,000