XML 21 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8

Borrowings Under Repurchase Agreements - Weighted Average Maturities and Interest Rates of Borrowings (Detail) (USD $) In Thousands, unless otherwise specified		3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	0 Months Ended	1 Months Ended		3 Months Ended		1 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	1 Months Ended	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2014 Line of Credit [Member]	Dec. 31, 2013 Line of Credit [Member]	Mar. 31, 2014 Line of Credit [Member] Wells Fargo [Member]	Dec. 31, 2013 Line of Credit [Member] Wells Fargo [Member]	Dec. 22, 2011 Line of Credit [Member] Wells Fargo [Member] One Month LIBOR [Member]	Feb. 28, 2013 Line of Credit [Member] Wells Fargo [Member] One Month LIBOR [Member]	Aug. 31, 2010 Line of Credit [Member] Wells Fargo [Member] One Month LIBOR [Member]	Mar. 31, 2014 Line of Credit [Member] Wells Fargo [Member] One Month LIBOR [Member]	Dec. 31, 2013 Line of Credit [Member] Wells Fargo [Member] One Month LIBOR [Member]	Sep. 30, 2013 Line of Credit [Member] UBS [Member]	Mar. 31, 2014 Line of Credit [Member] UBS [Member]	Dec. 31, 2013 Line of Credit [Member] UBS [Member]	Mar. 31, 2014 Line of Credit [Member] JP Morgan Chase [Member]	Dec. 31, 2013 Line of Credit [Member] JP Morgan Chase [Member]	Feb. 28, 2013 Line of Credit [Member] JP Morgan Chase [Member] One Month LIBOR [Member]	Mar. 31, 2014 Line of Credit [Member] JP Morgan Chase [Member] One Month LIBOR [Member]
Debt Instrument [Line Items]
Debt Balance	$ 166,994	$ 166,994	$ 202,033	$ 33,092	$ 47,751							$ 133,899	$ 133,899	$ 3	$ 20,383
Weighted Average Remaining Maturity		3 years 9 months 18 days	3 years 3 months 12 days	10 months 24 days	2 months 12 days						4 years	4 years 6 months	4 years 8 months 12 days	9 months 18 days	1 year 1 month 6 days
Weighted Average Rate		2.40%	2.40%	1.00%	1.20%							2.80%	2.80%	2.70%	2.70%
Basis point						1.50%	1.05%	1.25%	0.80%	1.05%						2.50%	2.50%

X

- 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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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average interest rate of long-term debt outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant