Securities (Summary of Volume of State and Political Subdivision Securities Held in Portfolio Held to Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	$ 98,060	$ 99,914
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	3,187	3,271
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	5	28
Debt securities, held-to-maturity, fair value	101,242	$ 103,157
TEXAS
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	15,400
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	551
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	0
Debt securities, held-to-maturity, fair value	15,951
CALIFORNIA
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	9,875
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	344
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	0
Debt securities, held-to-maturity, fair value	10,219
PENNSYLVANIA
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	8,634
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	332
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	0
Debt securities, held-to-maturity, fair value	8,966
FLORIDA
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	7,596
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	212
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	0
Debt securities, held-to-maturity, fair value	7,808
MICHIGAN
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	7,034
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	181
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	4
Debt securities, held-to-maturity, fair value	$ 7,211

Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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