Fair Value Measurements (Estimated Fair Value and Range) (Details) $ in Thousands	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSRs	$ 5,890	$ 5,466	$ 5,275
IRLCs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
IRLCs - Derivative Asset	89		35
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSRs	5,890		5,275
Level 3 | IRLCs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
IRLCs - Derivative Asset	89		35
Valuation, Market Approach | Measurement Input, Prepayment Rate | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSRs	$ 5,890		$ 5,275
MSRs Range	108		121
Valuation, Market Approach | Range of pull through rate | Level 3 | IRLCs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
IRLCs - Derivative Asset	$ 39		$ 28
Minimum | Valuation, Market Approach | Range of pull through rate | Level 3 | IRLCs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
IRLCs Range	0.84		0.78
Maximum | Valuation, Market Approach | Range of pull through rate | Level 3 | IRLCs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
IRLCs Range	1		1
Arithmetic Average | Level 3 | IRLCs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
IRLCs Range	0.98		0.92