Variable Interest Entities (Details 2) $ in Thousands		12 Months Ended
		Dec. 31, 2020 USD ($) trust	Dec. 31, 2019 USD ($)
Variable Interest Entities
Number of trusts sponsored | trust		1
Percentage of ownership interest		100.00%
Subordinated notes
Amount of subordinated notes		$ 58,764	$ 58,764
June 2007 issuance
Subordinated notes
Amount of subordinated notes		$ 41,238
Interest Rate (as a percent)	[1]	7.22%
Maturity date of subordinated notes		Jun. 15, 2037
August 2007 issuance
Subordinated notes
Amount of subordinated notes		$ 17,526
Interest Rate (as a percent)	[2]	1.70%
Maturity date of subordinated notes		Sep. 15, 2037
London Interbank Offered Rate (LIBOR) | August 2007 issuance
Subordinated notes
Basis Spread on Variable Rate (as a percent)		1.48%

[1] Fixed rate through life of debt.

[2] 3-Month LIBOR +1.48% through remaining life of debt.