Fair Value of Financial Instruments Fair Value Inputs (Table) (Details) (USD $) | Jun. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013 |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | $51,784,000 | $54,151,000 | ' |
Available-for-sale Securities, Debt Securities | 51,784,000 | 54,151,000 | ' |
Common Stock, Value, Outstanding | 0 | 0 | ' |
Available-for-sale Securities, Equity Securities | 16,707,000 | 7,137,000 | ' |
Other Investments | 2,000,000 | 3,000,000 | ' |
Short-term Investments | 401,000 | 501,000 | ' |
Investments | 77,827,000 | 69,195,000 | ' |
Debt Instrument, Face Amount | 297,069,000 | 324,639,000 | ' |
Subordinated Debt | 35,754,000 | 28,471,000 | 0 |
Senior Notes | 0 | 14,356,000 | ' |
Debt Instrument, Face Amount | 14,806,000 | 14,854,000 | ' |
Contingent Consideration Classified as Equity, Fair Value Disclosure | 5,878,000 | ' | 5,344,000 |
Long-term Debt | 50,560,000 | 57,681,000 | ' |
Fair Value, Inputs, Level 1 [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Financial Instruments, Owned, US Government and Agency Obligations, at Fair Value | 0 | ' | 0 |
Financial Instruments, Owned, Other Sovereign Government Obligations, at Fair Value | 0 | ' | 0 |
Municipal Debt Securities, at Carrying Value | 0 | ' | 0 |
Mortgage-backed Securities Available-for-sale, Fair Value Disclosure | 0 | ' | 0 |
Financial Instruments, Owned, Mortgages, Mortgage-backed and Asset-backed Securities, at Fair Value | 0 | ' | 0 |
Available-for-sale Securities, Debt Securities | 0 | ' | 0 |
Financial Instruments, Owned, Corporate Debt, at Fair Value | 0 | ' | 0 |
Available-for-sale Securities, Equity Securities | 16,707,000 | 7,137,000 | ' |
Other Investments | 0 | ' | 0 |
Short-term Investments | ' | ' | 0 |
Debt Instrument, Face Amount | 16,707,000 | 7,137,000 | ' |
Subordinated Debt | 0 | 0 | ' |
Senior Notes | ' | ' | 0 |
Long-term Debt | 14,806,000 | 14,854,000 | ' |
Liability [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Long-term Debt | 56,438,000 | 63,025,000 | ' |
Fair Value, Inputs, Level 2 [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Debt Instrument, Face Amount | 54,185,000 | 57,652,000 | ' |
Long-term Debt | 35,754,000 | 42,827,000 | ' |
Summary of Investments, by Type [Domain] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Investments | 70,892,000 | 64,789,000 | ' |
Other Investments [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Other Investments | 2,000,000 | 3,000,000 | ' |
Fair Value, Inputs, Level 3 [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Financial Instruments, Owned, US Government and Agency Obligations, at Fair Value | 0 | ' | 0 |
Financial Instruments, Owned, Other Sovereign Government Obligations, at Fair Value | 0 | ' | 0 |
Municipal Debt Securities, at Carrying Value | 0 | ' | 0 |
Mortgage-backed Securities Available-for-sale, Fair Value Disclosure | 0 | ' | 0 |
Financial Instruments, Owned, Mortgages, Mortgage-backed and Asset-backed Securities, at Fair Value | 0 | ' | 0 |
Available-for-sale Securities, Debt Securities | 0 | ' | 0 |
Financial Instruments, Owned, Corporate Debt, at Fair Value | 0 | ' | 0 |
Other Investments | 0 | ' | 0 |
Short-term Investments | ' | ' | 0 |
Debt Instrument, Face Amount | 0 | 0 | ' |
Subordinated Debt | 0 | ' | 0 |
Senior Notes | ' | ' | 0 |
Contingent Consideration Classified as Equity, Fair Value Disclosure | 5,878,000 | 5,344,000 | ' |
Long-term Debt | 5,878,000 | 5,344,000 | ' |
Common Stock [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Common Stock, Value, Outstanding | 16,360,000 | ' | ' |
Warrant [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Warrants Not Settleable in Cash, Fair Value Disclosure | 347,000 | ' | ' |
Senior Notes [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Senior Notes | ' | 14,356,000 | ' |
Subordinated Debt [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Subordinated Debt | 14,806,000 | 14,854,000 | ' |
Short-term Investments [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Short-term Investments | ' | 501,000 | ' |
Corporate Debt Securities [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 19,221,000 | 19,500,000 | ' |
Asset-backed Securities [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 5,899,000 | 3,994,000 | ' |
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 2,774,000 | 2,006,000 | ' |
Debt, State Government [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 6,227,000 | 6,231,000 | ' |
Foreign Government Debt Securities [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 4,372,000 | 4,082,000 | ' |
US Government Agencies Debt Securities [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 13,291,000 | 18,338,000 | ' |
Asset-backed Securities, Securitized Loans and Receivables [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 5,899,000 | 3,994,000 | ' |
US States and Political Subdivisions Debt Securities [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 6,227,000 | 6,231,000 | ' |
Foreign Government Debt Securities [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 4,372,000 | 4,082,000 | ' |
US Government Agencies Debt Securities [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 13,291,000 | 18,338,000 | ' |
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | 2,774,000 | 2,006,000 | ' |
Corporate Debt Securities [Member] | ' | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' | ' |
Available-for-sale Securities | $19,221,000 | $19,500,000 | ' |