Derivatives - Schedule of Offsetting Liability Derivatives (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Interest rate swaps
Offsetting Liabilities [Line Items]
Gross amounts of recognized assets and liabilities	$ 7,032	$ 9,122
Retail interest rate contracts
Offsetting Liabilities [Line Items]
Gross amounts of recognized assets and liabilities		880
Not Designated as Hedging Instrument
Offsetting Liabilities [Line Items]
Gross amounts of recognized assets and liabilities	6,132	8,267
Not Designated as Hedging Instrument | Interest rate swaps
Offsetting Liabilities [Line Items]
Gross amounts of recognized assets and liabilities	6,132	7,387
Gross amounts offset in the Statement of Financial Position	0	0
Net amounts of assets and liabilities presented in the Statement of Financial Position	6,132	7,387
Gross amounts not offset in the Statement of Financial Position, Financial Instruments	0	0
Gross amounts not offset in the Statement of Financial Position, Collateral Posted	6,132	7,387
Gross amounts not offset in the Statement of Financial Position, Net Amount	$ 0	0
Not Designated as Hedging Instrument | Retail interest rate contracts
Offsetting Liabilities [Line Items]
Gross amounts of recognized assets and liabilities		880
Gross amounts offset in the Statement of Financial Position		0
Net amounts of assets and liabilities presented in the Statement of Financial Position		880
Gross amounts not offset in the Statement of Financial Position, Financial Instruments		0
Gross amounts not offset in the Statement of Financial Position, Collateral Posted		0
Gross amounts not offset in the Statement of Financial Position, Net Amount		$ 880