Derivative Instruments (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Net gains or losses recognized in earnings related to yield maintenance provisions and interest-rate swaps	$ 0	$ 0	$ 0
Fair value, Derivative assets	4,233,000	538,000	1,944,000
Fair value, Derivative liabilities	$ (4,233,000)	$ (538,000)	(1,944,000)
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets	Other Assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities	Other Liabilities
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Noninterest Income Other Operating Income	Noninterest Income Other Operating Income
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	$ 42,177,000	$ 44,887,000	46,474,000
Interest-rate swaps	2,767,000
Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Notional amount	3,940,000	50,312,000	1,048,613,000
Fair value, Derivative assets	$ 0	555,000	18,100,000
Interest Rate Lock Commitments [Member] | Minimum [Member]
Derivative [Line Items]
Commitments period	30 days
Interest Rate Lock Commitments [Member] | Maximum [Member]
Derivative [Line Items]
Commitments period	60 days
TBA Mortgage-Back Securities [Member]
Derivative [Line Items]
Notional amount		53,250,000	506,750,000
Fair value, Derivative assets	$ 0	53,250,000	506,750,000
Fair value, Derivative liabilities	$ 0	$ (73,000)	$ (2,690,000)