Derivatives and Hedging Activities (Details 4) (USD $) | 3 Months Ended | | |
In Thousands, unless otherwise specified | Mar. 31, 2015 | Mar. 31, 2014 | Jan. 10, 2013 | Sep. 30, 2014 |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Net interest settlements on active interest rate derivatives expected to be amortized over the next 12 months, net of tax | $800 | | | |
Net interest settlements on active interest rate derivatives expected to be amortized over the next 12 months, tax | 517 | | | |
Deferred losses on the Company's terminated derivatives expected to be amortized over the next twelve months, net of tax | 11,637 | | | |
Deferred losses on the Company's terminated derivatives expected to be amortized over the next twelve months, tax | 7,525 | | | |
Interest rate swap | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Fixed Rate % | | | 0.76% | |
Interest rate swap | Designated as hedge | Cash flow hedge | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 427,407 | | | |
Fixed Rate % | 0.76% | | | 5.17% |
Deferred Loss Upon Termination | 46,372 | | | |
Unamortized Deferred (Gain) Loss | 38,461 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | 4,623 | | | |
Amount of Deferred (Gain) Loss Expected to be Amortized over the Next 12 Months | 16,724 | | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 5.307%, original maturity of Jul-2017 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 60,852 | | | |
Fixed Rate % | | | | 5.30% |
Deferred Loss Upon Termination | 1,853 | | | |
Unamortized Deferred (Gain) Loss | -8 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | | 4 | | |
Amount of Deferred (Gain) Loss Expected to be Amortized over the Next 12 Months | -4 | | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 5.58%, original maturity of Jul-2014 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 200,000 | | | |
Fixed Rate % | | | | 5.31% |
Deferred Loss Upon Termination | 6,412 | | | |
Unamortized Deferred (Gain) Loss | -24 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | 1 | 18 | | |
Amount of Deferred (Gain) Loss Expected to be Amortized over the Next 12 Months | -11 | | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 5.512%, original maturity of Oct-2014, one | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 163,333 | | | |
Fixed Rate % | | | | 5.58% |
Deferred Loss Upon Termination | 3,773 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | | 89 | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 5.512%, original maturity of Oct-2014, two | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 150,000 | | | |
Fixed Rate % | | | | 5.51% |
Deferred Loss Upon Termination | 1,711 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | | 14 | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 5.436%, original maturity of Oct-2017, one | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 150,000 | | | |
Fixed Rate % | | | | 5.51% |
Deferred Loss Upon Termination | 3,498 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | | 46 | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 5.436%, original maturity of Oct-2017, two | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 480,088 | | | |
Fixed Rate % | | | | 5.44% |
Deferred Loss Upon Termination | 1,711 | | | |
Unamortized Deferred (Gain) Loss | 1,387 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | 179 | | | |
Amount of Deferred (Gain) Loss Expected to be Amortized over the Next 12 Months | 621 | | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 4.605%, original maturity of Jul-2014 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 480,088 | | | |
Fixed Rate % | | | | 5.44% |
Deferred Loss Upon Termination | 1,526 | | | |
Unamortized Deferred (Gain) Loss | 1,194 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | 186 | | | |
Amount of Deferred (Gain) Loss Expected to be Amortized over the Next 12 Months | 655 | | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 4.743%, original maturity of Oct-2014 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 163,333 | | | |
Fixed Rate % | | | | 4.61% |
Deferred Loss Upon Termination | 2,082 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | | -59 | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 4.305%, original maturity of Oct-2017 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 332,525 | | | |
Fixed Rate % | | | | 4.74% |
Deferred Loss Upon Termination | 7,641 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | | -19 | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 4.365%, original maturity of Jul-2017 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 58,238 | | | |
Fixed Rate % | | | | 4.31% |
Deferred Loss Upon Termination | 862 | | | |
Unamortized Deferred (Gain) Loss | -89 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | -14 | -15 | | |
Amount of Deferred (Gain) Loss Expected to be Amortized over the Next 12 Months | -56 | | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 5.526%, original maturity of Jul-2014 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 193,333 | | | |
Fixed Rate % | | | | 4.37% |
Deferred Loss Upon Termination | 3,265 | | | |
Unamortized Deferred (Gain) Loss | -282 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | -58 | -60 | | |
Amount of Deferred (Gain) Loss Expected to be Amortized over the Next 12 Months | -186 | | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 3.989%, original maturity of Oct-2017 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 37,000 | | | |
Fixed Rate % | | | | 5.53% |
Deferred Loss Upon Termination | 3,122 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | | 150 | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 4.033%, original maturity of Jul-2017 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 53,286 | | | |
Fixed Rate % | | | | 3.99% |
Deferred Loss Upon Termination | 2,048 | | | |
Unamortized Deferred (Gain) Loss | 442 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | 93 | 133 | | |
Amount of Deferred (Gain) Loss Expected to be Amortized over the Next 12 Months | 300 | | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 4.328%, original maturity of Jul-2014 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 181,667 | | | |
Fixed Rate % | | | | 4.03% |
Deferred Loss Upon Termination | 8,538 | | | |
Unamortized Deferred (Gain) Loss | 1,581 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | 406 | 612 | | |
Amount of Deferred (Gain) Loss Expected to be Amortized over the Next 12 Months | 1,119 | | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 4.147%, original maturity of Oct-2014 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 43,333 | | | |
Fixed Rate % | | | | 4.33% |
Deferred Loss Upon Termination | 11,033 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | | 1,462 | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 4%, original maturity of Oct-2014 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 211,567 | | | |
Fixed Rate % | | | | 4.15% |
Deferred Loss Upon Termination | 17,002 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | | 1,648 | | |
Interest rate swap | Designated as hedge | Cash flow hedge | Terminated derivative at fixed rate of 5.174%, original maturity of Oct-2017 | | | | |
Deferred (gains) and losses for the terminated interest rate derivatives and the related amortization into interest expense | | | | |
Original Maximum Notional Amount | 150,000 | | | |
Fixed Rate % | | | | 4.00% |
Deferred Loss Upon Termination | 5,080 | | | |
Amount of Deferred (Gain) Loss Amortized (including Accelerated Amortization) into Interest Expense | | $583 | | |