Debt Instrument, Discount Rate Terms

No definition available.

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- Definition

Debt Instrument Periodic Payment Interest Right Of Deferment Number Of Years

+ References

No definition available.

+ Details

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- Definition

Long Term Subordinated Notes, Principal Amount Redeemed in Percentage

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ 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

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

+ Details

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Long Term Subordinated Notes (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
	Mar. 19, 2009	Dec. 31, 2015	Dec. 31, 2014
Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate		6.60%	6.60%
Maturity Date		May 01, 2067
Percentage of principal amount required for redemption		100.00%
Outstanding debt reduction	$ 161,441
Long Term Subordinated Notes [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Applicable spread on treasury rate		0.25%
Long Term Subordinated Notes [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Applicable spread on treasury rate		0.50%
Fixed Rate Interest Period [Member] \| Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate		6.60%
Interest basis, 3 month LIBOR plus number of basis points, reset quarterly		2.385%
Right to defer interest on one or more occasions for up to number of consecutive years		10 years
Fixed Rate Interest Period [Member] \| Long Term Subordinated Notes [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest payment date		May 3, 2007
Fixed Rate Interest Period [Member] \| Long Term Subordinated Notes [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest payment date		May 14, 2017
Floating Rate Interest Period [Member] \| Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Right to defer interest on one or more occasions for up to number of consecutive years		10 years
5.4% Senior notes due 10/15/2014 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate		5.40%
Maturity Date		Oct. 15, 2014
4.868% Senior notes due 6/1/2044 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate		4.868%	4.868%
Maturity Date		Jun. 01, 2044