Securities (Securities in a Continuous Unrealized Loss Position) (Details) $ in Thousands	Dec. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Debt Securities, Available-for-Sale [Line Items]
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities | security	9	99
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities, fair value	$ 63,711	$ 308,892
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities, unrealized losses	$ (438)	$ (25,598)
Available for sale debt securities, securities in continuous unrealized loss position, greater than 12 months, number of securities | security	181	91
Available for sale debt securities, securities in continuous unrealized loss position, greater than 12 months, number of securities, fair value	$ 914,700	$ 661,065
Available for sale debt securities, securities in continuous unrealized loss position, unrealized losses	$ (152,072)	$ (147,084)
Available for sale debt securities, securities in continuous unrealized loss position, number of securities | security	190	190
Available for sale debt securities, securities in continuous unrealized loss position, fair value	$ 978,411	$ 969,957
Available for sale debt securities, securities in continuous unrealized loss position, unrealized losses	$ (152,510)	$ (172,682)
Obligations of U.S. government-sponsored enterprises [Member]
Debt Securities, Available-for-Sale [Line Items]
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities | security	1	4
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities, fair value	$ 19,824	$ 20,115
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities, unrealized losses	$ (176)	$ (638)
Available for sale debt securities, securities in continuous unrealized loss position, greater than 12 months, number of securities | security	20	18
Available for sale debt securities, securities in continuous unrealized loss position, greater than 12 months, number of securities, fair value	$ 195,903	$ 169,466
Available for sale debt securities, securities in continuous unrealized loss position, unrealized losses	$ (24,547)	$ (30,984)
Available for sale debt securities, securities in continuous unrealized loss position, number of securities | security	21	22
Available for sale debt securities, securities in continuous unrealized loss position, fair value	$ 215,727	$ 189,581
Available for sale debt securities, securities in continuous unrealized loss position, unrealized losses	$ (24,723)	$ (31,622)
Mortgage-backed securities issued by U.S. government-sponsored agencies and U.S. government-sponsored enterprises [Member]
Debt Securities, Available-for-Sale [Line Items]
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities | security	8	95
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities, fair value	$ 43,887	$ 288,777
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities, unrealized losses	$ (262)	$ (24,960)
Available for sale debt securities, securities in continuous unrealized loss position, greater than 12 months, number of securities | security	154	66
Available for sale debt securities, securities in continuous unrealized loss position, greater than 12 months, number of securities, fair value	$ 698,115	$ 471,355
Available for sale debt securities, securities in continuous unrealized loss position, unrealized losses	$ (125,625)	$ (113,788)
Available for sale debt securities, securities in continuous unrealized loss position, number of securities | security	162	161
Available for sale debt securities, securities in continuous unrealized loss position, fair value	$ 742,002	$ 760,132
Available for sale debt securities, securities in continuous unrealized loss position, unrealized losses	$ (125,887)	$ (138,748)
Individual name issuer trust preferred debt securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities | security	0	0
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities, fair value	$ 0	$ 0
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities, unrealized losses	$ 0	$ 0
Available for sale debt securities, securities in continuous unrealized loss position, greater than 12 months, number of securities | security	3	3
Available for sale debt securities, securities in continuous unrealized loss position, greater than 12 months, number of securities, fair value	$ 8,793	$ 8,760
Available for sale debt securities, securities in continuous unrealized loss position, unrealized losses	$ (607)	$ (627)
Available for sale debt securities, securities in continuous unrealized loss position, number of securities | security	3	3
Available for sale debt securities, securities in continuous unrealized loss position, fair value	$ 8,793	$ 8,760
Available for sale debt securities, securities in continuous unrealized loss position, unrealized losses	$ (607)	$ (627)
Corporate bonds
Debt Securities, Available-for-Sale [Line Items]
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities | security	0	0
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities, fair value	$ 0	$ 0
Available for sale debt securities, securities in continuous unrealized loss position, less than 12 months, number of securities, unrealized losses	$ 0	$ 0
Available for sale debt securities, securities in continuous unrealized loss position, greater than 12 months, number of securities | security	4	4
Available for sale debt securities, securities in continuous unrealized loss position, greater than 12 months, number of securities, fair value	$ 11,889	$ 11,484
Available for sale debt securities, securities in continuous unrealized loss position, unrealized losses	$ (1,293)	$ (1,685)
Available for sale debt securities, securities in continuous unrealized loss position, number of securities | security	4	4
Available for sale debt securities, securities in continuous unrealized loss position, fair value	$ 11,889	$ 11,484
Available for sale debt securities, securities in continuous unrealized loss position, unrealized losses	$ (1,293)	$ (1,685)