DEBT - Schedule (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2016	Dec. 31, 2015
Debt
Total Debt	$ 969,189	$ 693,956
Mortgages Payable
Debt
Gross debt	533,557	144,791
Deferred loan costs	(2,454)	(897)
Premiums and discounts	836	1,178
Total Debt	531,939	145,072
Mortgage loan with a fixed interest of 4.14% per annum, due on July 1, 2026
Debt
Gross debt	$ 392,000
Fixed interest rate (as a percent)	4.14%
Amount of balance due on maturity	$ 392,000
Mortgage loan with a fixed interest of 4.50% per annum, due on January 5, 2027
Debt
Gross debt	$ 46,000	$ 46,000
Fixed interest rate (as a percent)	4.50%	4.50%
Period of amortization schedule	10 years	10 years
Amount of balance due on maturity	$ 42,008	$ 42,008
Mortgage loan with a fixed interest of 5.39% per annum, due on March 1, 2021
Debt
Gross debt	$ 39,319	$ 39,846
Fixed interest rate (as a percent)	5.39%	5.39%
Amount of balance due on maturity	$ 35,695	$ 35,695
Mortgage loan with a fixed interest of 5.18% per annum, due on June 5, 2021
Debt
Gross debt	$ 29,314	$ 29,744
Fixed interest rate (as a percent)	5.18%	5.18%
Amount of balance due on maturity	$ 26,232	$ 26,232
Mortgage loan with a fixed interest of 6.65% per annum, due on July 15, 2018
Debt
Gross debt	$ 26,924	$ 29,201
Fixed interest rate (as a percent)	6.65%	6.65%
Period of amortization schedule	25 years	25 years
Amount of balance due on maturity	$ 21,136	$ 21,136
Other debt
Debt
Gross debt	412,070	519,070
Total Debt	406,895	511,763
Unsecured term loan facility
Debt
Gross debt	385,000	385,000
Junior subordinated notes
Debt
Gross debt	27,070	27,070
Premiums and discounts	$ (2,035)	$ (2,091)
Junior subordinated notes \| LIBOR
Debt
Interest rate margin	3.25%	3.25%
Unsecured credit facilities
Debt
Gross debt	$ 0	$ 107,000
Unsecured term loan and credit facilities
Debt
Deferred loan costs	(3,140)	(5,216)
Secured borrowing principal on SBA 7(a) loans sold for a premium and excess spread—variable rate, reset quarterly, based on prime rate with weighted average coupon rate of 4.13% and 3.90% at September 30, 2016 and December 31, 2015, respectively.
Debt
Secured borrowing principal	$ 23,416	$ 29,481
Weighted average rate (as a percent)	4.13%	3.90%
Secured borrowing principal on SBA 7(a) loans sold for excess spread—variable rate, reset quarterly, based on prime rate with weighted average coupon rate of 1.83% and 1.58% at September 30, 2016 and December 31, 2015, respectively.
Debt
Secured borrowing principal	$ 4,829	$ 4,947
Weighted average rate (as a percent)	1.83%	1.58%
Secured borrowings - government guaranteed loans
Debt
Secured borrowing principal	$ 28,245	$ 34,428
Unamortized discounts and premiums, net	2,110	2,693
Total secured borrowings	$ 30,355	$ 37,121

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- Definition

For the disposal group, including a component of the entity (discontinued operation), carrying amount of debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper.

+ References

No definition available.

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- Definition

For the disposal group, the amount of debt premium that was originally recognized at acquisition of the instrument that has yet to be amortized.

+ References

No definition available.

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- Definition

For the disposal group, amount of long-term debt before adjustment for unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ 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 210.9-03.13,16)
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- Definition

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

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No definition available.

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
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-Section 02
-Paragraph 20
-Article 5

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-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
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- Definition

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

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- Definition

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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- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

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No definition available.

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- Definition

The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 45
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- Definition

Weighted average interest rate of debt outstanding.

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For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

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