Amount of amortization expense attributable to debt issuance costs.

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Face (par) amount of debt instrument at time of issuance.

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Amount, before accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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Date the credit facility terminates, in CCYY-MM-DD format.

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Per share or per unit amount of equity securities issued.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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LONG TERM DEBT (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	12 Months Ended
	Nov. 13, 2016	Jan. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Nov. 14, 2016
Debt Instrument [Line Items]
Debt issuance costs			$ 10,158
Revolving credit facility			$ 75,000
Revolving credit facility expiration date			Dec. 31, 2021
Amortization of debt issuance costs			$ 794	$ 6,334
Debt issuance costs			$ 1,667
ADS [Member]
Debt Instrument [Line Items]
Number of exchangeable note shares			(3,457,475)
Strike price			$ 101.82
Notes [Member]
Debt Instrument [Line Items]
Principal amount			$ 5,791
Minimum [Member]
Debt Instrument [Line Items]
Commitment fee percentage			0.25%
Maximum [Member]
Debt Instrument [Line Items]
Commitment fee percentage			0.50%
Term Debt [Member]
Debt Instrument [Line Items]
Principal amount			$ 215,000		$ 475,000
Debt issuance costs		$ 5,300
Prepaid principal amount		260,000
Remaining principal amount		$ 215,000
Term Debt [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Spread on variable rate	1.00%
Term Debt [Member] \| Federal Funds Rate [Member]
Debt Instrument [Line Items]
Spread on variable rate	1.00%
Term Debt [Member] \| Eurocurrency loans ranges [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Total net leverage ratio			1.25%
Term Debt [Member] \| Eurocurrency loans ranges [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Total net leverage ratio			2.00%
Term Debt [Member] \| ABR loans ranges [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Total net leverage ratio			0.25%
Term Debt [Member] \| ABR loans ranges [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Total net leverage ratio			1.00%