Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities - Summary of Active Derivative Instruments (Details)

v3.20.2
Derivative Instruments and Hedging Activities - Summary of Active Derivative Instruments (Details)
 9 Months Ended
Sep. 30, 2020
USD ($)
MMBTU
$ / MMBTU
Designated | Interest Rate Swap October 2029  
Derivative [Line Items]  
Term of contract, years 11 years
Fixed interest rate, percentage 5.77%
Initial Notional Amount ($) $ 9,200,000
Designated | Interest Rate Swap June 2033  
Derivative [Line Items]  
Term of contract, years 15 years
Fixed interest rate, percentage 5.24%
Initial Notional Amount ($) $ 10,000,000
Designated | Interest Rate Swap - December 2027  
Derivative [Line Items]  
Term of contract, years 10 years
Fixed interest rate, percentage 4.74%
Initial Notional Amount ($) $ 14,100,000
Designated | Interest Rate Swap - December 2038  
Derivative [Line Items]  
Term of contract, years 15 years
Fixed interest rate, percentage 3.26%
Initial Notional Amount ($) $ 14,084,000
Designated | Interest Rate Swap - February 2023  
Derivative [Line Items]  
Term of contract, years 7 years
Fixed interest rate, percentage 2.19%
Initial Notional Amount ($) $ 20,746,000
Designated | Interest Rate Swap - June 2028  
Derivative [Line Items]  
Term of contract, years 8 years
Fixed interest rate, percentage 3.70%
Initial Notional Amount ($) $ 14,643,000
Designated | Interest Rate Swap - June 2028  
Derivative [Line Items]  
Term of contract, years 8 years
Fixed interest rate, percentage 3.70%
Initial Notional Amount ($) $ 10,734,000
Designated | Interest Rate Swap May 2033  
Derivative [Line Items]  
Term of contract, years 13 years
Fixed interest rate, percentage 0.93%
Initial Notional Amount ($) $ 9,505,000
Designated | Interest Rate Swap May 2033  
Derivative [Line Items]  
Term of contract, years 13 years
Fixed interest rate, percentage 0.93%
Initial Notional Amount ($) $ 6,968,000
Designated | Interest Rate Swap - February 2021  
Derivative [Line Items]  
Term of contract, years 15 years
Fixed interest rate, percentage 5.30%
Initial Notional Amount ($) $ 3,256,000
Designated | Interest Rate Swap - March 2024  
Derivative [Line Items]  
Term of contract, years 15 years 6 months
Fixed interest rate, percentage 5.40%
Initial Notional Amount ($) $ 13,081,000
Not Designated | Interest Rate Swap - December 2020  
Derivative [Line Items]  
Term of contract, years 3 years
Fixed interest rate, percentage 2.46%
Initial Notional Amount ($) $ 17,100,000
Not Designated | Commodity Contract - April 2021  
Derivative [Line Items]  
Term of contract, years 1 year
Active commodity swap, price (in usd per unit) | $ / MMBTU 2.70
Nonmonetary notional amount (in MMBtus) | MMBTU 435,810
Not Designated | Make-whole Provisions December 2038 | Other liabilities  
Derivative [Line Items]  
Liability derivatives, fair value $ 534,000
Not Designated | Make-whole Provisions April 2031 | Other liabilities  
Derivative [Line Items]  
Liability derivatives, fair value 432,000
Not Designated | Make-whole Provisions February 2034 | Other liabilities  
Derivative [Line Items]  
Liability derivatives, fair value $ 386,000