Securities (Securities Held to Maturity with Unrealized Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value	$ 332,659
Held to maturity, Losses less than 12 months, Gross Unrealized Losses	1,929
Held to maturity, Losses 12 months or longer, Fair Value	11,837	$ 2,381
Held to maturity, Losses 12 months or longer, Gross Unrealized Losses	464	2
Held to maturity, Total, Fair Value	344,496	2,381
Held to maturity, Total, Gross Unrealized Losses	2,393	2
U.S. Treasury And Government Agency Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value	14,837
Held to maturity, Losses less than 12 months, Gross Unrealized Losses	20
Held to maturity, Total, Fair Value	14,837
Held to maturity, Total, Gross Unrealized Losses	20
Municipal Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value	7,795
Held to maturity, Losses less than 12 months, Gross Unrealized Losses	205
Held to maturity, Losses 12 months or longer, Fair Value		2,381
Held to maturity, Losses 12 months or longer, Gross Unrealized Losses		2
Held to maturity, Total, Fair Value	7,795	2,381
Held to maturity, Total, Gross Unrealized Losses	205	$ 2
Residential Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value	253,661
Held to maturity, Losses less than 12 months, Gross Unrealized Losses	1,499
Held to maturity, Total, Fair Value	253,661
Held to maturity, Total, Gross Unrealized Losses	1,499
Commercial Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value	56,366
Held to maturity, Losses less than 12 months, Gross Unrealized Losses	205
Held to maturity, Losses 12 months or longer, Fair Value	11,837
Held to maturity, Losses 12 months or longer, Gross Unrealized Losses	464
Held to maturity, Total, Fair Value	68,203
Held to maturity, Total, Gross Unrealized Losses	$ 669

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27337-111563

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Section 50
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