Junior Subordinated Debt Owed to Unconsolidated Trusts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Junior subordinated debt owed to unconsolidated trusts
Fair value adjustment, remaining balance to be accreted	$ 3,000
Junior subordinated debt owed to unconsolidated trusts	71,635	$ 71,468
Parent
Junior subordinated debt owed to unconsolidated trusts
Junior subordinated debt owed to unconsolidated trusts	$ 71,635	$ 71,468
Trust Preferred Securities
Junior subordinated debt owed to unconsolidated trusts
Trust preferred securities qualified as Tier I capital (as a percent)	100.00%
Maximum of holding companies assets retained	$ 15,000,000
Junior Subordinated Notes | Trust Preferred Securities
Junior subordinated debt owed to unconsolidated trusts
Maximum period to defer payment of interest on the notes and, therefore, distributions on the trust preferred securities	5 years