Investment Securities, Obligations of States and Political Subdivisions (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) Security	Dec. 31, 2021 USD ($)
Obligations of States and Political Subdivisions [Abstract]
Debt securities	$ 867,990	$ 737,052
Obligations of States and Political Subdivisions [Member]
Obligations of States and Political Subdivisions [Abstract]
Number of segments under securities portfolio | Security	2
Obligations of States and Political Subdivisions [Member] | Publicly Issued Debt [Member]
Obligations of States and Political Subdivisions [Abstract]
Debt securities	$ 19,400
Obligations of States and Political Subdivisions [Member] | Municipal Debt [Member]
Obligations of States and Political Subdivisions [Abstract]
Debt securities	$ 43,000