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

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Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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

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Date the debt instrument was issued, in CCYY-MM-DD format.

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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.

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

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Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a financial asset repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same financial asset at a date certain for a specified price. Includes repurchase-to-maturity transactions and liabilities not subject to a master netting arrangement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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No definition available.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt classified as other.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Other Borrowings (Narrative) (Details) - USD ($)				1 Months Ended		12 Months Ended				24 Months Ended
Other Borrowings (Narrative) (Details) - USD ($)	Jun. 01, 2015	Oct. 25, 2013	Oct. 30, 2009	Dec. 31, 2014	Dec. 15, 2014	Dec. 31, 2016	Dec. 31, 2015	Nov. 06, 2014	Dec. 31, 2013	Dec. 31, 2015
Debt Instrument [Line Items]
Notes payable						$ 52,445,000	$ 67,429,000			$ 67,429,000
Loans Payable to Bank			$ 101,000,000			150,000,000
Short-term borrowings						61,809,000	63,887,000			63,887,000
Sweep accounts						107,267,000
Other						18,154,000	18,965,000			18,965,000
Secured Debt						130,078,000	115,504,000			115,504,000
Term Facility
Debt Instrument [Line Items]
Notes payable						$ 52,400,000	67,400,000			67,400,000
Loans Payable to Bank	$ 1,000,000
Debt instrument, maturity date	Jun. 01, 2015					Jun. 15, 2020
Debt instrument, date of first required payment						Sep. 30, 2015
Debt instrument, frequency of periodic payment						quarterly
Repayments of Debt									$ 1,000,000
Loans Payable
Debt Instrument [Line Items]
Debt instrument, issuance date			Oct. 30, 2009			Dec. 15, 2014
Revolving Credit Facility
Debt Instrument [Line Items]
Notes payable				$ 0		$ 0	$ 0			0
Maximum borrowing capacity		$ 100,000,000		100,000,000.0		$ 75,000,000.0
Debt instrument, maturity date		Oct. 25, 2013			Dec. 15, 2014	Dec. 11, 2017	Dec. 12, 2016	Nov. 06, 2014
Commitment fee percentage						0.20%
Securities Sold under Agreements to Repurchase
Debt Instrument [Line Items]
Securities sold under repurchase agreements						$ 61,809,000	$ 58,900,000			58,900,000
Fixed Rate Promissory Note
Debt Instrument [Line Items]
Debt instrument, issuance date						Aug. 31, 2012
Debt instrument, maturity date						Sep. 01, 2017
Debt instrument, frequency of periodic payment						monthly
Other						$ 17,700,000	18,200,000			18,200,000
Contractual Rate						3.75%
Non Recourse Debt
Debt Instrument [Line Items]
Other						$ 447,000	732,000			732,000
Receivables Purchase Agreement
Debt Instrument [Line Items]
Debt instrument, maturity date						Dec. 15, 2017
Contractual Rate						1.632%
Proceeds from issuance of debt				$ 150,000,000			10,000,000			160,000,000
Secured Debt						$ 119,000,000	$ 115,504,000			$ 115,504,000
Secured Debt
Debt Instrument [Line Items]
Secured Debt						$ 11,100,000
Base Rate Loan \| Highest Rate \| Term Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						0.75%
Base Rate Loan \| Highest Rate \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						0.50%
Base Rate Loan \| Federal Funds Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						0.50%
Base Rate Loan \| Eurodollar
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						1.00%
Eurodollar Rate Loan \| London Interbank Offered Rate (LIBOR) \| Term Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						1.75%
Eurodollar Rate Loan \| London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						1.50%