Loans and Allowance for Loan Losses - Loan Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Components of loans
Total Loans	$ 1,326,399	$ 1,304,582	$ 1,214,688
Deferred loan origination fees and costs, net	283	(216)
Loans receivable	1,326,682	1,304,366
Commercial and Non-Residential Real Estate
Components of loans
Total Loans	984,830	941,033	884,067
Residential Real Estate
Components of loans
Total Loans	273,827	294,929	260,842
Home Equity
Components of loans
Total Loans	58,893	59,015
Consumer
Components of loans
Total Loans	$ 8,849	$ 9,605	$ 11,380

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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