Derivative and Balance Sheet Offsetting - Fair value of derivatives & classifications table (Details) - Not Designated as Hedging Instrument - Interest Rate Contracts - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Other Assets
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 40,289	$ 24,257
Other Assets | Interest Rate Lock Commitments
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	356
Other Assets | Forward sales contracts
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Other Assets | Interest Rate Swap
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	40,289	24,257
Other Liabilities
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	40,289	24,257
Other Liabilities | Interest Rate Lock Commitments
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	0	0
Other Liabilities | Forward sales contracts
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	0	27
Other Liabilities | Interest Rate Swap
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	$ 40,289	$ 24,257