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Fair Value of Financial Instruments (Reconciliation of Fair Valued Assets Measured on a Recurring Basis) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Collateralized debt obligations [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Beginning balance | $ 28,391 | $ 23,093 | $ 25,339 | $ 17,538
Included in other comprehensive income | 1,655 | 828 | 4,707 | 6,383
Ending Balance | 30,046 | 23,921 | 30,046 | 23,921
The amount of total gains or losses for the period included in earnings attributable to the change in realized/unrealized gains or losses related to assets still held at the reporting date | 0 | 0 | 0 | 0
Interest Rate Swap [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Beginning balance | (164) | (365) | (199) | (457)
Included in other comprehensive income | 24 | 93 | 59 | 185
Ending Balance | (140) | (272) | (140) | (272)
The amount of total gains or losses for the period included in earnings attributable to the change in realized/unrealized gains or losses related to assets still held at the reporting date | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Information on the investment portfolio for gains or losses and the unrealized portion of gains or losses in the portfolio. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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