Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Fair Value Disclosures [Abstract]
Cash and cash equivalents, Carrying Amount	$ 232,139	$ 203,954	$ 183,513	$ 230,933
Investment securities, Carrying Amount	379,971	422,665
Loans, net, Carrying Amount	952,434	762,082
Accrued interest receivable, Carrying Amount	6,582	6,706
Assets, Carrying Amount	1,571,126	1,395,407
Cash and cash equivalents, Fair Value	232,139	203,954
Investment securities, Fair Value	379,971	422,665
Loans, net, Fair Value	953,118	776,653
Accrued interest receivable, Fair Value	6,582	6,706
Assets, Fair Value	1,571,810	1,409,978
Deposits, Carrying Amount	825,956	757,136
Accounts and drafts payable, Carrying Amount	687,538	684,295
Accrued interest payable, Carrying Amount	119	103
Liabilities, Carrying Amount	1,513,613	1,441,534
Deposits, Fair Value	825,956	757,790
Accounts and drafts payable, Fair Value	687,538	684,295
Accrued interest payable, Fair Value	119	103
Liabilities, Fair Value	$ 1,513,613	$ 1,442,188