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Fair Value Measurements (Changes in Fair Value of Level 3 Assets and Liabilities) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Document Period End Date			Sep. 30, 2016
Merger Earnout
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance				$ (75,000)
Included in Earnings				75,000
Included in Other Comprehensive Income (Loss)				0
Transfers, Net				0
Settlements				0
Ending Balance		$ 0		0
Contingent Payments
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	$ 3,488,000	3,642,000	$ 3,632,000	3,792,000
Included in Earnings	147,000	156,000	452,000	476,000
Included in Other Comprehensive Income (Loss)	0	0	0	0
Transfers, Net	0	0	0	0
Settlements	200,000	211,000	649,000	681,000
Ending Balance	(3,435,000)	(3,587,000)	(3,435,000)	(3,587,000)
Investment Available for Sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	17,832,000	17,276,000	17,839,000	18,357,000
Included in Earnings	(30,000)	(31,000)	(96,000)	(93,000)
Included in Other Comprehensive Income (Loss)	(417,000)	(642,000)	(754,000)	121,000
Transfers, Net	0	0	0	0
Ending Balance	18,279,000	17,949,000	18,279,000	17,949,000
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Settlements	0	0	(410,000)	(380,000)
Beginning Balance	17,832,000	17,276,000	17,839,000	18,357,000
Included in Earnings	(30,000)	(31,000)	(96,000)	(93,000)
Included in Other Comprehensive Income (Loss)	(417,000)	(642,000)	(754,000)	121,000
Transfers, Net	0	0	0	0
Ending Balance	$ 18,279,000	$ 17,949,000	$ 18,279,000	$ 17,949,000

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Amount of gain (loss) recognized in the income statement 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.

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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.

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Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.

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Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.

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