Derivative Financial Instruments (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)
Derivative Financial Instruments
Notional amount	$ 114,596	$ 114,596
The periodic changes in the fair value of the derivative financial instruments on the condensed consolidated statements of income
Net derivative gains (losses)	(148)	71
Derivative assets
Derivative Financial Instruments
Derivative assets, fair value	170	170
Derivative liabilities
Derivative Financial Instruments
Derivative liabilities, fair value	77	77
Interest Rate Lock Commitments
Derivative Financial Instruments
Notional amount	30,969	30,969
The periodic changes in the fair value of the derivative financial instruments on the condensed consolidated statements of income
Net derivative gains (losses)	49	163
Interest Rate Lock Commitments \| Derivative assets
Derivative Financial Instruments
Derivative assets, fair value	170	170
Interest Rate Lock Commitments \| Derivative liabilities
Derivative Financial Instruments
Derivative liabilities, fair value	7	7
Forward Contracts
Derivative Financial Instruments
Notional amount	83,627	83,627
The periodic changes in the fair value of the derivative financial instruments on the condensed consolidated statements of income
Net derivative gains (losses)	(197)	(92)
Forward Contracts \| Derivative liabilities
Derivative Financial Instruments
Derivative liabilities, fair value	$ 70	$ 70

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
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-Section 13
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