Long-Term Borrowings and Subordinated Debt - Key Terms of Junior Subordinated Debt Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Junior Subordinated Debentures [Line Items]
Long-term borrowings	$ 54,393	$ 64,083	$ 64,277
Interest Rate at December 31, 2021	1.94%	2.03%	2.60%
Junior Subordinated Debt
Junior Subordinated Debentures [Line Items]
Long-term borrowings	$ 25,000	$ 34,750	$ 34,753
Trust Preferred Securities
Junior Subordinated Debentures [Line Items]
Long-term borrowings	29,393	$ 29,333	$ 29,524
2001 Trust Preferred Securities | Trust Preferred Securities
Junior Subordinated Debentures [Line Items]
Long-term borrowings	$ 5,155
Regulatory Capital	Tier 1
Interest Rate at December 31, 2021	3.90%
2001 Trust Preferred Securities | Trust Preferred Securities | LIBOR
Junior Subordinated Debentures [Line Items]
Interest Rate	3.75%
2005 Trust Preferred Securities | Trust Preferred Securities
Junior Subordinated Debentures [Line Items]
Long-term borrowings	$ 4,124
Regulatory Capital	Tier 1
Interest Rate at December 31, 2021	1.93%
2005 Trust Preferred Securities | Trust Preferred Securities | LIBOR
Junior Subordinated Debentures [Line Items]
Interest Rate	1.77%
2006 Junior Subordinated Debt | Junior Subordinated Debt
Junior Subordinated Debentures [Line Items]
Long-term borrowings	$ 25,000
Regulatory Capital	Tier 2
Interest Rate at December 31, 2021	1.80%
2006 Junior Subordinated Debt | Junior Subordinated Debt | LIBOR
Junior Subordinated Debentures [Line Items]
Interest Rate	1.60%
2008 Trust Preferred Securities | Trust Preferred Securities
Junior Subordinated Debentures [Line Items]
Long-term borrowings	$ 20,619
Regulatory Capital	Tier 1
Interest Rate at December 31, 2021	3.70%
2008 Trust Preferred Securities | Trust Preferred Securities | LIBOR
Junior Subordinated Debentures [Line Items]
Interest Rate	3.50%