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Derivatives - Summary of Derivative Interest Rate Swap Contract List (Parenthetical) (Details) - Not Designated as Hedging Instrument
 12 Months Ended
Dec. 31, 2021
Interest rate swap 3 contracts  
Disclosure of Derivative Interest rate swap contract detail list [Line Items]  
Contract Interest rate Pay 2.56 [1]
Interest rate swap 3 contracts | First Five Years [Member]  
Disclosure of Derivative Interest rate swap contract detail list [Line Items]  
Contract Interest rate Pay 2.56
Interest rate swap 3 contracts | Thereafter [Member]  
Disclosure of Derivative Interest rate swap contract detail list [Line Items]  
Contract Interest rate Pay 3M CD + 0.10
Interest rate swap 12 contracts  
Disclosure of Derivative Interest rate swap contract detail list [Line Items]  
Contract Interest rate Pay 1.84 [2]
Interest rate swap 12 contracts | First Five Years [Member]  
Disclosure of Derivative Interest rate swap contract detail list [Line Items]  
Contract Interest rate Pay 1.84
Interest rate swap 12 contracts | Thereafter [Member]  
Disclosure of Derivative Interest rate swap contract detail list [Line Items]  
Contract Interest rate Pay 3M CMT + 0.35
Interest rate swap 13 contracts  
Disclosure of Derivative Interest rate swap contract detail list [Line Items]  
Contract Interest rate Pay 1.87 [3]
Interest rate swap 13 contracts | First Five Years [Member]  
Disclosure of Derivative Interest rate swap contract detail list [Line Items]  
Contract Interest rate Pay 1.87
Interest rate swap 13 contracts | Thereafter [Member]  
Disclosure of Derivative Interest rate swap contract detail list [Line Items]  
Contract Interest rate Pay 3M CMT + 0.35
[1] 2.56% of the contract paying interest rate is applied for five years from the date of issuance, and 3M CD + 0.10% is applied thereafter. Depending on the counterparty exercising the right, the contract may be early settled on the same date every year from June 15, 2023.
[2] 1.84% of the contract paying interest rate is applied for five years from the date of issuance, and 3M CMT + 0.35% is applied thereafter.
[3] 1.87% of the contract paying interest rate is applied for five years from the date of issuance, and 3M CMT + 0.35% is applied thereafter.