Financial Instruments With Off-Balance Sheet Risk and Financial Instruments With Concentrations of Credit Risk (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Risks and Uncertainties [Abstract]
Unused Commitments to Extend Credit	$ 1,372,182	$ 1,309,896
Letters of Credit Outstanding, Amount	$ 17,015	$ 17,195

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant