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Commitments - Summary of Financial Instrument Commitments (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Fixed
Financial instrument commitments
Financial instrument commitments	$ 859	$ 418
Fixed | Borrower
Financial instrument commitments
Financial instrument commitments	859	418
Fixed | Borrower | Financial standby
Financial instrument commitments
Financial instrument commitments	327	177
Fixed | Borrower | Performance standby
Financial instrument commitments
Financial instrument commitments	532	241
Fixed | Unused lines of Credit
Financial instrument commitments
Loan commitments	89,303	82,942
Variable
Financial instrument commitments
Financial instrument commitments	14,003	11,860
Variable | Borrower
Financial instrument commitments
Financial instrument commitments	13,936	11,718
Variable | Borrower | Financial standby
Financial instrument commitments
Financial instrument commitments	7,158	3,770
Variable | Borrower | Commercial standby
Financial instrument commitments
Financial instrument commitments	397	354
Variable | Borrower | Performance standby
Financial instrument commitments
Financial instrument commitments	6,381	7,594
Variable | Nonborrower | Performance standby
Financial instrument commitments
Financial instrument commitments	67	142
Variable | Unused lines of Credit
Financial instrument commitments
Loan commitments	297,785	260,061
Total.
Financial instrument commitments
Financial instrument commitments	14,862	12,278
Total. | Borrower
Financial instrument commitments
Financial instrument commitments	14,795	12,136
Total. | Borrower | Financial standby
Financial instrument commitments
Financial instrument commitments	7,485	3,947
Total. | Borrower | Commercial standby
Financial instrument commitments
Financial instrument commitments	397	354
Total. | Borrower | Performance standby
Financial instrument commitments
Financial instrument commitments	6,913	7,835
Total. | Nonborrower | Performance standby
Financial instrument commitments
Financial instrument commitments	67	142
Total. | Unused lines of Credit
Financial instrument commitments
Loan commitments	$ 387,088	$ 343,003

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The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

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