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

No definition available.

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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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No definition available.

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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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Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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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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No definition available.

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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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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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Federal Home Loan Bank Advances, Other Borrowings and Subordinated Notes (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended	12 Months Ended	24 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2015	Jun. 15, 2015	Mar. 31, 2015
Debt Instrument [Line Items]
Notes payable	$ 67,429		$ 63,683	$ 67,429	$ 67,429		$ 0
Loan agreement with unaffiliated banks			150,000
Short-term borrowings	63,887		47,680	63,887	63,887		50,076
Securities sold under agreements to repurchase			47,680
Fixed rate promissory note	18,965		18,811	18,965	18,965		18,538
Secured borrowings	115,504		122,952	115,504	115,504		118,102
Subordinated notes	138,861		$ 138,888	138,861	138,861		138,782
Loans Payable
Debt Instrument [Line Items]
Debt instrument, Issuance date			Dec. 15, 2014
Term Facility
Debt Instrument [Line Items]
Notes payable	67,400		$ 63,700	67,400	67,400	$ 75,000	0
Maturity date			Jun. 15, 2020
Debt instrument, Date of first required payment			Sep. 30, 2015
Debt instrument, Frequency of periodic payment			quarterly
Revolving Credit Facility
Debt Instrument [Line Items]
Notes payable	0		$ 0	$ 0	0		0
Maximum borrowing capacity			$ 75,000
Maturity date			Dec. 12, 2016	Dec. 14, 2015
Debt instrument, Frequency of periodic payment			quarterly
Line of credit facility, Unused capacity, Commitment fee percentage			0.20%
Securities Sold under Agreements to Repurchase
Debt Instrument [Line Items]
Securities sold under agreements to repurchase	58,900		$ 47,700	$ 58,900	58,900		50,100
Pledged financial instruments, Not separately reported, Securities for repurchase agreements			$ 60,400
Fixed Rate Promissory Note
Debt Instrument [Line Items]
Debt instrument, Issuance date			Aug. 31, 2012
Maturity date			Sep. 01, 2017
Debt instrument, Frequency of periodic payment			monthly
Fixed rate promissory note	18,300		$ 18,100	18,300	18,300		$ 18,500
Contractual rate			3.75%
Non Recourse Debt
Debt Instrument [Line Items]
Fixed rate promissory note	732		$ 662	$ 732	732
Secured Debt
Debt Instrument [Line Items]
Maturity date		Dec. 15, 2015	Dec. 15, 2017
Contractual rate			1.5322%
Proceeds from issuance of debt	$ 10,000	$ 150,000			$ 160,000
Subordinated Debt
Debt Instrument [Line Items]
Maturity date			Jun. 13, 2024
Contractual rate			5.00%
Base Rate Loan \| Base Rate \| Term Facility
Debt Instrument [Line Items]
Basis spread on variable rate			0.75%
Base Rate Loan \| Base Rate \| Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate			0.50%
Base Rate Loan \| Eurodollar Rate
Debt Instrument [Line Items]
Basis spread on variable rate			1.00%
Base Rate Loan \| Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate			0.50%
Eurodollar Rate Loan \| London Interbank Offered Rate (LIBOR) \| Term Facility
Debt Instrument [Line Items]
Basis spread on variable rate			1.75%
Eurodollar Rate Loan \| London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate			1.50%