Short-term Borrowings (Summary of Short-Term Borrowed Funds) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Short-term Debt [Line Items]
Balance at year end		$ 125,617
FRB PPPLF Borrowings [Member]
Short-term Debt [Line Items]
Balance at year end		$ 125,617
Weighted average rate at year end		0.35%
Maximum month-end balance	$ 307,753	$ 203,937
Average daily balance during the year	$ 140,909	$ 106,233
Weighted average rate during the year	0.35%	0.35%