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Business Combinations (Narrative) (Details) - USD ($) $ in Thousands | Jun. 01, 2018 | Aug. 31, 2017 | Jun. 30, 2018
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HNP Capital [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Assets under management |  |  | $ 344,000
Consideration for acquisition in cash | $ 5,100 |  |
Goodwill | 2,600 |  |
Identified intangible assets | $ 2,500 |  |
Robshaw & Julian [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Assets under management |  | $ 175,000 |
Goodwill |  | 1,000 |
Identified intangible assets |  | 810 |
Courier Capital [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Assets under management |  | $ 1,600,000 |

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