Fair Value Accounting and Measurement (IRL Quantitative Information About Level 3 Fair Value Measurements) (Details) $ in Thousands	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)
Measurement input pull through rate member | Valuation technique internal pricing model member | Interest Rate Lock Commitments Contracts | Minimum [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurements Inputs and Valuation Techniques
Interest rate derivative asset, Measurement Input	0.8084		0.7776
Measurement input pull through rate member | Valuation technique internal pricing model member | Interest Rate Lock Commitments Contracts | Maximum [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurements Inputs and Valuation Techniques
Interest rate derivative asset, Measurement Input	1.0000		1.0000
Measurement input pull through rate member | Valuation technique internal pricing model member | Interest Rate Lock Commitments Contracts | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurements Inputs and Valuation Techniques
Interest rate derivative asset, Measurement Input	0.9519		0.9062
Fair Value, Recurring [Member]
Fair Value Measurements Inputs and Valuation Techniques
Interest rate derivative asset	$ 43,574	$ 24,257
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurements Inputs and Valuation Techniques
Interest rate derivative asset	$ 0	0
Fair Value, Recurring [Member] | Interest Rate Lock Commitments Contracts
Fair Value Measurements Inputs and Valuation Techniques
Interest rate derivative asset		356	$ 482
Fair Value, Recurring [Member] | Interest Rate Lock Commitments Contracts | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurements Inputs and Valuation Techniques
Interest rate derivative asset		$ 356