DERIVATIVES (Details) - USD ($)	Aug. 03, 2019	Apr. 02, 2019	Mar. 21, 2019	Mar. 18, 2019	Jan. 24, 2019	Jan. 23, 2019	Jan. 11, 2019	Nov. 30, 2018	Nov. 16, 2018	Oct. 26, 2018	Jun. 24, 2016	Jun. 09, 2016	Jun. 07, 2016	Mar. 31, 2015	Jan. 23, 2015
Derivative [Line Items]
Derivative, notional amount	$ 2,200,000,000
Interest rate swap 1
Derivative [Line Items]
Derivative, notional amount	25,000,000.0
Derivative, forward interest rate													1.065%
Interest rate swap 2
Derivative [Line Items]
Derivative, notional amount	25,000,000.0
Derivative, forward interest rate												0.926%
Interest rate swap 3
Derivative [Line Items]
Derivative, notional amount	60,000,000
Derivative, forward interest rate															1.795%
Interest rate swap 4
Derivative [Line Items]
Derivative, notional amount	40,000,000
Derivative, forward interest rate														1.795%
Interest rate swap 5
Derivative [Line Items]
Derivative, notional amount	100,000,000.00
Derivative, forward interest rate										2.824%
Interest rate swap 6
Derivative [Line Items]
Derivative, notional amount	100,000,000.00
Derivative, forward interest rate										2.8915%
Interest rate swap 7
Derivative [Line Items]
Derivative, notional amount	100,000,000.00
Derivative, forward interest rate										2.921%
Interest rate swap 8
Derivative [Line Items]
Derivative, notional amount	50,000,000.00
Derivative, forward interest rate										2.955%
Interest rate swap 9
Derivative [Line Items]
Derivative, notional amount	150,000,000
Derivative, forward interest rate									2.895%
Interest rate swap 10
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate									2.958%
Interest rate swap 11
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate									2.959%
Interest rate swap 12
Derivative [Line Items]
Derivative, notional amount	100,000,000
Derivative, forward interest rate								2.8084%
Interest rate swap 13
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate								2.8315%
Interest rate swap 14
Derivative [Line Items]
Derivative, notional amount	100,000,000
Derivative, forward interest rate								2.848%
Interest rate swap 15
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate							2.4678%
Interest rate swap 16
Derivative [Line Items]
Derivative, notional amount	100,000,000.00
Derivative, forward interest rate							2.477%
Interest rate swap 17
Derivative [Line Items]
Derivative, notional amount	100,000,000
Derivative, forward interest rate							2.501%
Interest rate swap 18
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate						2.55%
Interest rate swap 19
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate						2.5255%
Interest rate swap 20
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate						2.5292%
Interest rate swap 21
Derivative [Line Items]
Derivative, notional amount	100,000,000
Derivative, forward interest rate						2.542%
Interest rate swap 22
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate					2.521%
Interest rate swap 23
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate					2.5558%
Interest rate swap 24
Derivative [Line Items]
Derivative, notional amount	100,000,000
Derivative, forward interest rate				2.3645%
Interest rate swap 25
Derivative [Line Items]
Derivative, notional amount	100,000,000
Derivative, forward interest rate			2.4925%
Interest rate swap 26
Derivative [Line Items]
Derivative, notional amount	100,000,000
Derivative, forward interest rate			2.449%
Interest rate swap 27
Derivative [Line Items]
Derivative, notional amount	100,000,000
Derivative, forward interest rate		2.252%
Interest rate swap 28
Derivative [Line Items]
Derivative, notional amount	100,000,000
Derivative, forward interest rate		2.217%
Interest rate swap 29
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate		2.229%
Interest rate swap 30
Derivative [Line Items]
Derivative, notional amount	50,000,000
Derivative, forward interest rate		2.184%
Interest rate swap 33
Derivative [Line Items]
Derivative, notional amount	100,000,000
Interest rate swap 35
Derivative [Line Items]
Derivative, notional amount			$ 200,000,000
Interest rate swap
Derivative [Line Items]
Derivative, notional amount	$ 200,000,000				$ 100,000,000	$ 250,000,000	$ 250,000,000	$ 250,000,000	$ 250,000,000	$ 350,000,000	$ 25,000,000			$ 84,000,000	$ 140,000,000