Other Assets (Schedule of Significant Balances Included in Other Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Other Assets [Line Items]
Investments in low income housing tax credit entities	$ 37,500	$ 37,500
Derivative collateral	0	66,207
Total	380,485	447,738
Other Assets [Member]
Other Assets [Line Items]
Derivative assets	109,497	75,867
FHLB stock	65,466	52,743
Investments in small business investment and other companies	57,946	46,500
Investments in low income housing tax credit entities	32,968	36,297
Income tax receivable	35,042	128,092
Derivative collateral	27,852	66,207
Other	51,714	42,032
Total	$ 380,485	$ 447,738