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Employee Benefit Plans (FY) (Details 2) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Number |  |
Number of Shares, Nonvested, beginning balance | 47,970 |
Number of Shares, Granted | 0 | 0
Number of Shares, Vested | (14,469) |
Number of Shares, Forfeited/expired | (10,046) |
Number of Shares, Nonvested, ending balance | 23,455 | 47,970
Weighted Average Grant-Date Fair Value |  |
Weighted Average Grant-Date Fair Value, Nonvested, beginning balance (in dollars per share) | $ 12.31 |
Weighted Average Grant-Date Fair Value, Granted (in dollars per share) | 0 |
Weighted Average Grant-Date Fair Value, Vested (in dollars per share) | 12.31 |
Weighted Average Grant-Date Fair Value, Forfeited/expired (in dollars per share) | 12.31 |
Weighted Average Grant-Date Fair Value, Nonvested, ending balance (in dollars per share) | $ 12.31 | $ 12.31

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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Period Type: | duration

X
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Number of non-vested options forfeited. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options outstanding. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Number of options vested. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of options vested. + References No definition available. + Details
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