Estimated Fair Values (Level 3 Reconciliation) (Details) - Private label MBS [Member] - Fair Value, Recurring [Member] - Fair Value, Inputs, Level 3 - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Purchases, issuances, sales, and settlements:
Change in unrealized gains (losses) for the period included in other comprehensive income (loss) for assets held at June 30	$ (992)	$ 783	$ (2,275)	$ 1,805
Available-for-sale Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	121,625	138,573	125,808	142,271
(Provision) benefit for credit losses	(716)	(394)	(1,950)	(1,474)
Accretion of credit losses in interest income	1,485	1,177	2,883	3,279
Net unrealized gains (losses) on AFS in OCI	(992)	(1,657)	(2,275)	(3,802)
Purchases, issuances, sales, and settlements:
Settlements	(4,420)	(3,014)	(7,484)	(5,589)
Balance, end of period	116,982	134,685	116,982	134,685
Total amount of gains for the periods presented included in earnings attributable to the change in unrealized gains (losses) relating to assets and liabilities still held at June 30	$ 769	$ (1,657)	$ 933	$ (3,802)