Amount of net deferred gain (loss) associated with all forward starting interest rate swaps included in accumulated other comprehensive income as of the balance sheet date. Amount includes the unamortized balance relating to terminated forward starting interest rate swaps and also the unrealized gain/loss from outstanding forward starting interest rate swaps.
Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.