Loans and Leases - Schedule of Participating Mortgage Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Loans, net
Gross loans and leases	$ 1,762,565	$ 1,731,928
Deferred loan and lease origination cost, net	2,896	2,602
Allowance for loan and lease losses	(9,923)	(9,750)
Loans, net	1,755,538	1,724,780
Real Estate Sector [Member]
Loans, net
Gross loans and leases	1,402,114	1,453,930
Real Estate Sector [Member] \| Secured By Commercial And Professional Office Properties Including Construction And Development [Member]
Loans, net
Gross loans and leases	847,865	848,691
Real Estate Sector [Member] \| Residential Real Estate [Member]
Loans, net
Gross loans and leases	410,216	453,698
Real Estate Sector [Member] \| Secured by farm land [Member]
Loans, net
Gross loans and leases	144,033	151,541
Agricultural Sector [Member]
Loans, net
Gross loans and leases	48,036	49,103
Commercial and Industrial Sector [Member]
Loans, net
Gross loans and leases	115,532	128,220
Financial Services Sector [Member] \| Financial Institutions Borrower [Member]
Loans, net
Gross loans and leases	189,103	91,813
Financial Services Sector [Member] \| Consumer Borrower [Member]
Loans, net
Gross loans and leases	$ 7,780	$ 8,862

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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