Securities (Schedule of Available-for-sale, Unrealized Loss on Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 500,705	$ 282,342
Less than 12 Months, Gross Unrealized Losses	$ (31,538)	$ (1,772)
Less than 12 Months, Number of Securities	170	51
12 Months or Greater, Fair Value	$ 9,332	$ 8,812
12 Months or Greater, Gross Unrealized Losses	$ (280)	$ (131)
12 Months or Greater, Number of Securities	9	8
Total, Fair Value	$ 510,037	$ 291,154
Total, Gross Unrealized Losses	$ (31,818)	$ (1,903)
Total, Number of Securities	179	59
US Treasury Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 225,022	$ 99,959
Less than 12 Months, Gross Unrealized Losses	$ (13,525)	$ (518)
Less than 12 Months, Number of Securities	19	11
Total, Fair Value	$ 225,022	$ 99,959
Total, Gross Unrealized Losses	$ (13,525)	$ (518)
Total, Number of Securities	19	11
US Government-sponsored Enterprises Debt Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value		$ 14,156
Less than 12 Months, Gross Unrealized Losses		$ (168)
Less than 12 Months, Number of Securities		2
12 Months or Greater, Fair Value	$ 423	$ 579
12 Months or Greater, Gross Unrealized Losses	$ (5)	$ (5)
12 Months or Greater, Number of Securities	2	2
Total, Fair Value	$ 423	$ 14,735
Total, Gross Unrealized Losses	$ (5)	$ (173)
Total, Number of Securities	2	4
Municipal securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 39,081	$ 2,519
Less than 12 Months, Gross Unrealized Losses	$ (513)	$ (2)
Less than 12 Months, Number of Securities	32	1
Total, Fair Value	$ 39,081	$ 2,519
Total, Gross Unrealized Losses	$ (513)	$ (2)
Total, Number of Securities	32	1
Other Debt Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 26,402	$ 5,983
Less than 12 Months, Gross Unrealized Losses	$ (1,073)	$ (82)
Less than 12 Months, Number of Securities	23	6
12 Months or Greater, Fair Value	$ 1,450
12 Months or Greater, Gross Unrealized Losses	$ (50)
12 Months or Greater, Number of Securities	1
Total, Fair Value	$ 27,852	$ 5,983
Total, Gross Unrealized Losses	$ (1,123)	$ (82)
Total, Number of Securities	24	6
Mortgage-backed securities (GSEs) [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 210,200	$ 159,725
Less than 12 Months, Gross Unrealized Losses	$ (16,427)	$ (1,002)
Less than 12 Months, Number of Securities	96	31
12 Months or Greater, Fair Value	$ 7,459	$ 8,233
12 Months or Greater, Gross Unrealized Losses	$ (225)	$ (126)
12 Months or Greater, Number of Securities	6	6
Total, Fair Value	$ 217,659	$ 167,958
Total, Gross Unrealized Losses	$ (16,652)	$ (1,128)
Total, Number of Securities	102	37