USE OF DERIVATIVES, OFFSETTING DISCLOSURES AND CHANGES IN OTHER COMPREHENSIVE INCOME BY COMPONENT, Schedule of Swap Agreements (Details) - USD ($)
$ in Thousands |
3 Months Ended |
9 Months Ended |
12 Months Ended |
|
Sep. 30, 2016 |
Sep. 30, 2016 |
Dec. 31, 2010 |
Dec. 31, 2015 |
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 7,850,000
|
$ 7,850,000
|
|
|
| Derivative instruments unrealized losses to be recognized |
|
8,800
|
|
|
| Interest Rate SWAP Currently-Paying Contracts [Member] | Fourth Quarter 2016 (Expired October 1, 2016) [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 800,000
|
$ 800,000
|
|
|
| Average fixed-rate payment requirement |
0.66%
|
0.66%
|
|
|
| Interest Rate SWAP Currently-Paying Contracts [Member] | First Quarter 2017 [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 1,000,000
|
$ 1,000,000
|
|
|
| Average fixed-rate payment requirement |
0.72%
|
0.72%
|
|
|
| Interest Rate SWAP Currently-Paying Contracts [Member] | Second Quarter 2017 [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 900,000
|
$ 900,000
|
|
|
| Average fixed-rate payment requirement |
0.74%
|
0.74%
|
|
|
| Interest Rate SWAP Currently-Paying Contracts [Member] | Third Quarter 2017 [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 400,000
|
$ 400,000
|
|
|
| Average fixed-rate payment requirement |
0.74%
|
0.74%
|
|
|
| Interest Rate SWAP Currently-Paying Contracts [Member] | Fourth Quarter 2017 [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 1,500,000
|
$ 1,500,000
|
|
|
| Average fixed-rate payment requirement |
0.79%
|
0.79%
|
|
|
| Interest Rate SWAP Currently-Paying Contracts [Member] | First Quarter 2018 [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 1,700,000
|
$ 1,700,000
|
|
|
| Average fixed-rate payment requirement |
0.76%
|
0.76%
|
|
|
| Interest Rate SWAP Currently-Paying Contracts [Member] | Second Quarter 2018 [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 600,000
|
$ 600,000
|
|
|
| Average fixed-rate payment requirement |
0.79%
|
0.79%
|
|
|
| Interest Rate SWAP Currently-Paying Contracts [Member] | Third Quarter 2018 [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 400,000
|
$ 400,000
|
|
|
| Average fixed-rate payment requirement |
0.88%
|
0.88%
|
|
|
| Interest Rate SWAP Currently-Paying Contracts [Member] | Second Quarter 2019 [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 450,000
|
$ 450,000
|
|
|
| Average fixed-rate payment requirement |
0.77%
|
0.77%
|
|
|
| Interest Rate SWAP Currently-Paying Contracts [Member] | Third Quarter 2019 [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Notional amount |
$ 100,000
|
$ 100,000
|
|
|
| Average fixed-rate payment requirement |
0.68%
|
0.68%
|
|
|
| Interest Rate Swap Agreements [Member] |
|
|
|
|
| Derivative Instruments and Hedging Activities Disclosures [Line Items] |
|
|
|
|
| SWAP agreement notional amount during period |
$ 500,000
|
$ 2,950,000
|
$ 100,000
|
|
| SWAP agreement average interest rate during period |
0.84%
|
0.76%
|
4.09%
|
|
| Swap agreement notional amount expiring during period |
$ 700,000
|
$ 3,500,000
|
|
|
| SWAP agreement average interest rate expiring during period |
0.56%
|
0.51%
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Payment term of LIBOR interest rate agreement |
2 years
|
3 years
|
20 years
|
|
| Accrued interest |
$ 11,700
|
$ 11,700
|
|
$ 10,900
|
| Portfolio-Related Secured Borrowings [Member] |
|
|
|
|
| Notional Disclosures [Abstract] |
|
|
|
|
| Accrued interest |
$ 6,400
|
$ 6,400
|
|
$ 9,300
|