Other Intangible Assets Level 4 Other Intangible Assets, Carrying Values and Amortization Periods (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 67,404	$ 67,404
Accumulated Amortization	(22,717)	(18,989)
Net Carrying Amount	44,687	48,415
Customer and Agent Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	52,230	52,230
Accumulated Amortization	(15,243)	(12,340)
Net Carrying Amount	36,987	39,890
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,200	1,200
Accumulated Amortization	(60)	0
Net Carrying Amount	1,140	1,200
Software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10,118	10,118
Accumulated Amortization	(4,099)	(3,385)
Net Carrying Amount	6,019	6,733
Present Value of Future Profits [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	548	548
Accumulated Amortization	(548)	(548)
Net Carrying Amount	0	0
Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,308	3,308
Accumulated Amortization	(2,767)	(2,716)
Net Carrying Amount	$ 541	$ 592
Minimum [Member] | Customer and Agent Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization period (Years)	5 years
Minimum [Member] | Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization period (Years)	8 years
Minimum [Member] | Software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization period (Years)	2 years 3 months
Minimum [Member] | Present Value of Future Profits [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization period (Years)	3 months 18 days
Minimum [Member] | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization period (Years)	1 year 6 months
Maximum [Member] | Customer and Agent Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization period (Years)	15 years
Maximum [Member] | Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization period (Years)	10 years
Maximum [Member] | Software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization period (Years)	10 years
Maximum [Member] | Present Value of Future Profits [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization period (Years)	9 months
Maximum [Member] | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization period (Years)	6 years