Derivative Financial Instruments - Additional Information (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Derivative [Line Items]
Liability derivatives	$ 18,044,000	$ 18,161,000
Interest Rate Swap Agreements
Derivative [Line Items]
Net liability positions, aggregate fair value	8,300,000	17,200,000
Liability derivatives	17,324,000	17,409,000
Visa Class B Restricted Securities
Derivative [Line Items]
Liability derivatives	$ 0	$ 0