Derivative Instruments (Details)	Dec. 31, 2019 USD ($)
Risk Participation Agreements
Derivatives, Fair Value [Line Items]
Derivative, notional amount	$ 62,900,000
Energy Related Derivative
Derivatives, Fair Value [Line Items]
Derivative assets, notional amount	20,700,000
Derivative liability, notional amount	20,700,000
Derivative, net fair value	$ 709,000,000