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Fair Value of Financial Instruments (Narrative) (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) security | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |
Amortized Cost | $ 139,263,000 |  | $ 139,263,000 |  | $ 144,123,000
Available-for-sale Securities | 135,809,000 |  | 135,809,000 |  | 137,641,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net |  |  | 0 | $ 0 |
Gains or losses included in earnings attributable to the change in realized/unrealized gains or losses related to the assets | 0 | $ 0 | 0 | 0 |
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount | 0 | 0 | 0 | 0 |
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount | 0 | $ 0 | $ 0 | $ 0 |
Collateralized debt obligations [Member] |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |
Acquired Trust Preferred Securities, Number of Securities | security |  |  | 9 |  |
Amortized Cost | 18,387,000 |  | $ 18,387,000 |  | 18,358,000
Available-for-sale Securities | $ 14,872,000 |  | $ 14,872,000 |  | $ 15,277,000

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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
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- Definition Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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