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Commitments and Contingent Liabilities (Q2) (Tables) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2018 | Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract] |  |
Other Commitments | A summary of the Bank’s total contractual amount for all off-balance sheet commitments at June 30, 2018 is as follows:
Commitments to extend credit | $ | 299.6 | million
Standby letters of credit | $ | 3.7 | million
| A summary of the Company's total contractual amount for all off-balance sheet commitments at December 31, 2017 is as follows:
Commitments to extend credit | 292.8 | million
Standby letters of credit, issued by the Company | 5.5 | million

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- Definition Tabular disclosure of information about obligations resulting from other commitments. + References No definition available. + Details
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