EV-to-Adjusted EBITDA Multiple Method

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- Definition

Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple

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- Definition

Point Decrease Of Weighted Average Cost Of Capital Assumption

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Point Increase Of Weighted Average Cost Of Capital Assumption

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- Definition

Unrealized Gain Loss On Investments Net Of Tax.

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- Definition

Weighting of EBITDA Multiple Method versus DCF Method

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Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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Amount, after discount, accretion and premium amortization, of interest income and dividend income classified as other.

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Discount rate used to estimate the fair value of servicing assets and servicing liabilities.

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The aggregate cost of investments for Federal income tax purposes.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Investments (Narrative) (Details) 1 - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
Investments (Narrative) (Details) 1 - USD ($)	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2008
Gain (loss) on investment in kaléo accounted for under fair value method			$ (61,000,000)	$ 10,900,000
kaleo [Member]
Carrying value	$ 34,500,000		34,500,000		$ 95,500,000
Unrealized Gain Loss On Investments Net Of Tax	28,200,000		47,700,000	(23,400,000)
Gain (loss) on investment in kaléo accounted for under fair value method	$ 36,200,000	$ (4,300,000)	$ (61,000,000)	28,482,000
Other Interest and Dividend Income		$ 17,600,000		$ (17,600,000)
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage			18.00%
Total cash invested in private company						$ 7,500,000
Point Decrease Of Weighted Average Cost Of Capital Assumption
Point Increase Of Weighted Average Cost Of Capital Assumption
DCF Method for Fair Value Estimate [Member] \| kaleo [Member] \| Measurement Input, Discount Rate [Member]
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate			20.00%	10.00%	10.00%
DCF Method for Fair Value Estimate [Member] \| 7.0x [Member] \| kaleo [Member]
EV-to-Adjusted EBITDA Multiple Method			4.0 x
DCF Method for Fair Value Estimate [Member] \| 8.0x [Member] \| kaleo [Member]
EV-to-Adjusted EBITDA Multiple Method			5.0 x
DCF Method for Fair Value Estimate [Member] \| 9.6x [Member] \| kaleo [Member]
EV-to-Adjusted EBITDA Multiple Method			6.0 x
DCF Method for Fair Value Estimate [Member] \| 10.0x [Member] \| kaleo [Member]
EV-to-Adjusted EBITDA Multiple Method			7.0x
DCF Method for Fair Value Estimate [Member] \| 11.0x [Member] \| kaleo [Member]
EV-to-Adjusted EBITDA Multiple Method			8.0x
EBITDA Multiple Method for Fair Value Estimate [Member] \| kaleo [Member]
Weighting of EBITDA Multiple Method versus DCF Method	20.00%		20.00%		80.00%
50% [Domain] [Domain] \| DCF Method for Fair Value Estimate [Member] \| kaleo [Member]
Weighting of EBITDA Multiple Method versus DCF Method	100.00%		100.00%
50% [Domain] [Domain] \| DCF Method for Fair Value Estimate [Member] \| 7.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 34,900,000		$ 34,900,000
50% [Domain] [Domain] \| DCF Method for Fair Value Estimate [Member] \| 8.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	34,900,000		34,900,000
50% [Domain] [Domain] \| DCF Method for Fair Value Estimate [Member] \| 9.6x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	34,900,000		34,900,000
50% [Domain] [Domain] \| DCF Method for Fair Value Estimate [Member] \| 10.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	34,900,000		34,900,000
50% [Domain] [Domain] \| DCF Method for Fair Value Estimate [Member] \| 11.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 34,900,000		$ 34,900,000
40% [Domain] \| DCF Method for Fair Value Estimate [Member] \| kaleo [Member]
Weighting of EBITDA Multiple Method versus DCF Method	90.00%		90.00%
40% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 7.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 33,400,000		$ 33,400,000
40% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 8.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	34,000,000.0		34,000,000.0
40% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 9.6x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	34,700,000		34,700,000
40% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 10.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	35,400,000		35,400,000
40% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 11.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 36,100,000		$ 36,100,000
30% [Domain] \| DCF Method for Fair Value Estimate [Member] \| kaleo [Member]
Weighting of EBITDA Multiple Method versus DCF Method	80.00%		80.00%
30% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 7.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 31,800,000		$ 31,800,000
30% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 8.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	33,200,000		33,200,000
30% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 9.6x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	34,500,000		34,500,000
30% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 10.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	35,900,000		35,900,000
30% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 11.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 37,300,000		$ 37,300,000
20% [Domain] \| DCF Method for Fair Value Estimate [Member] \| kaleo [Member]
Weighting of EBITDA Multiple Method versus DCF Method	70.00%		70.00%		20.00%
20% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 7.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 30,300,000		$ 30,300,000
20% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 8.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	32,400,000		32,400,000
20% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 9.6x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	34,400,000		34,400,000
20% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 10.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	36,500,000		36,500,000
20% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 11.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 38,500,000		$ 38,500,000
10% [Domain] \| DCF Method for Fair Value Estimate [Member] \| kaleo [Member]
Weighting of EBITDA Multiple Method versus DCF Method	60.00%		60.00%
10% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 7.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 28,800,000		$ 28,800,000
10% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 8.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	31,500,000		31,500,000
10% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 9.6x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	34,300,000		34,300,000
10% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 10.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	37,000,000.0		37,000,000.0
10% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 11.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 39,800,000		$ 39,800,000
0% [Domain] \| DCF Method for Fair Value Estimate [Member] \| kaleo [Member]
Weighting of EBITDA Multiple Method versus DCF Method	50.00%		50.00%
0% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 7.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 27,300,000		$ 27,300,000
0% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 8.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	30,700,000		30,700,000
0% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 9.6x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	34,100,000		34,100,000
0% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 10.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	37,600,000		37,600,000
0% [Domain] \| DCF Method for Fair Value Estimate [Member] \| 11.0x [Member] \| kaleo [Member]
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple	$ 41,000,000.0		$ 41,000,000.0