Derivative and Hedging Activities - Summary of Amounts Recorded in AOCL and Gain (Loss) Recorded in Operations when Reclassified out of AOCL or Recognized in Earnings (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
|
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Interest expense | $ 24,675 | $ 24,784 | $ 76,462 | $ 71,385 |
| Amount reclassified as an increase to interest expense related to terminated hedges of existing floating-rate debt within the next 12 months | 2,800 | |||
| Interest Rate Swap | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Gross amount of loss recognized in AOCL on derivatives | 4,267 | 18,593 | ||
| Amount of loss reclassified from AOCL to termination of interest rate swaps | (12,462) | (12,462) | ||
| Interest Expense | Interest Rate Swap | ||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Amount of Loss Reclassified from AOCL to Interest | $ (577) | $ (1,128) | ||