Annual report pursuant to Section 13 and 15(d)

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

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Derivative Instruments and Hedging Activities - Summary of Active Derivative Instruments (Details)
 12 Months Ended
Dec. 31, 2021
USD ($)
MMBTU
$ / MMBTU
Interest Rate Swap October 2029 | Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 11 years
Derivative, active interest rate swap 5.77%
Initial notional amount $ 9,200,000
Interest Rate Swap June 2033 | Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 15 years
Derivative, active interest rate swap 5.24%
Initial notional amount $ 10,000,000
Interest Rate Swap - December 2027 | Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 10 years
Derivative, active interest rate swap 4.74%
Initial notional amount $ 14,100,000
Interest Rate Swap - December 2038 | Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 15 years
Derivative, active interest rate swap 3.26%
Initial notional amount $ 14,084,000
Interest Rate Swap - February 2023 | Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 7 years
Derivative, active interest rate swap 2.19%
Initial notional amount $ 20,746,000
Interest Rate Swap - June 2028 - Contract 1 | Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 8 years
Derivative, active interest rate swap 3.70%
Initial notional amount $ 14,643,000
Interest Rate Swap - June 2028 - Contract 2 | Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 8 years
Derivative, active interest rate swap 3.70%
Initial notional amount $ 10,734,000
Interest Rate Swap - March 2033 - Contract 1 | Not Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 13 years
Derivative, active interest rate swap 0.93%
Initial notional amount $ 9,505,000
Interest Rate Swap - March 2033 - Contract 2 | Not Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 13 years
Derivative, active interest rate swap 0.93%
Initial notional amount $ 6,968,000
Interest Rate Swap - March 2024 | Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 15 years 6 months
Derivative, active interest rate swap 5.40%
Initial notional amount $ 13,081,000
Interest Rate Swap - September 2023 | Not Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 2 years 9 months
Derivative, active interest rate swap 0.41%
Initial notional amount $ 26,250,000
Commodity Contract - June 2024 | Not Designated as Hedging Instrument  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, term of contract 3 years 6 months
Derivative, active commodity swap, fixed price (in usd per MMBtu) | $ / MMBTU 2.65
Initial notional amount, volume (in MMBtu) | MMBTU 3,296,160
Make Whole Provision December2038 | Not Designated as Hedging Instrument | Other liabilities  
Derivative Instruments, Gain (Loss) [Line Items]  
Liability derivatives, fair value $ 370,000
Make Whole Provision April 2031 | Not Designated as Hedging Instrument | Other liabilities  
Derivative Instruments, Gain (Loss) [Line Items]  
Liability derivatives, fair value 60,000
Make Whole Provision February 2034 | Not Designated as Hedging Instrument | Other liabilities  
Derivative Instruments, Gain (Loss) [Line Items]  
Liability derivatives, fair value 67,000
Make Whole Provision December2027 | Not Designated as Hedging Instrument | Other liabilities  
Derivative Instruments, Gain (Loss) [Line Items]  
Liability derivatives, fair value 59,000
Make Whole Provision May 2028 | Not Designated as Hedging Instrument | Other liabilities  
Derivative Instruments, Gain (Loss) [Line Items]  
Liability derivatives, fair value 9,000
Make Whole Provision April 2045 | Not Designated as Hedging Instrument | Other liabilities  
Derivative Instruments, Gain (Loss) [Line Items]  
Liability derivatives, fair value 283,000
Make Whole Provision March 2046 | Not Designated as Hedging Instrument | Other liabilities  
Derivative Instruments, Gain (Loss) [Line Items]  
Liability derivatives, fair value $ 3,952,000