Hedging Activities - Table (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
---|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
Dec. 31, 2020 |
|
Derivative Instruments Gain Loss [Line Items] | |||||
Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net | $ 2,584,000 | $ 3,598,000 | |||
Interest Rate Cash Flow Hedge Liability At Fair Value | $ 3,356,000 | 3,356,000 | 4,672,000 | ||
Interest Expense [Member] | |||||
Derivative Instruments Gain Loss [Line Items] | |||||
Derivative Instruments Gain Loss Reclassified From Accumulated OCI Into Income Effective Portion Net | (659,000) | $ (483,000) | (1,302,000) | $ (465,000) | |
Other Noncurrent Liabilities [Member] | |||||
Derivative Instruments Gain Loss [Line Items] | |||||
Interest Rate Cash Flow Hedge Liability At Fair Value | $ 3,356,000 | $ 3,356,000 | $ 4,672,000 |