v3.8.0.1

Notes Receivable Backed by Real Estate - Summary of Notes Receivable Backed by Real Estate (Detail) - USD ($) $ in Thousands					12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017		Dec. 31, 2016	Dec. 31, 2015
Loans And Leases Receivable [Line Items]
Beginning Balance					$ 32,100		$ 235,050
Additions					53,796	[1]	0
Repayments					(32,100)		(202,950)	$ (9,866)
Assumption by USLF	[1]				(19,536)
Ending Balance		$ 34,260	$ 32,100	$ 235,050	$ 34,260		$ 32,100	$ 235,050
Interest Rates		3.50%
Maturity Dates		2018-03
Minimum [Member]
Loans And Leases Receivable [Line Items]
Interest Rates			5.80%	2.00%
Maturity Dates			2017-04	2016-02
Maximum [Member]
Loans And Leases Receivable [Line Items]
Interest Rates			10.00%	10.00%
Maturity Dates			2017-12	2017-04
[1] In 2017, we received a note receivable backed by real estate through a property disposition. Subsequently, this note was assumed through the contribution of operating properties to USLF.

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- Definition

Loans and leases receivable.

+ References

No definition available.

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- Definition

Mortgage loan on real estate maturity date.

+ References

No definition available.

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- Definition

Notes receivable assumed through contribution.

+ References

No definition available.

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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(a))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Period Type:	instant

X

- Definition

The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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- Definition

The cash outflow for the purchase of loan receivable arising from the financing of goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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Balance Type:	credit
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- Definition

The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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