DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Narrative (Details) |
3 Months Ended | ||
---|---|---|---|
Mar. 31, 2017
contract
|
Dec. 31, 2018
USD ($)
|
Dec. 31, 2017
USD ($)
|
|
Derivative [Line Items] | |||
Debt face amount | $ 270,000,000 | ||
Cash collateral received | 8,306,000 | $ 7,900,000 | |
Interest Rate Swaps | |||
Derivative [Line Items] | |||
Derivative, instruments terminated | contract | 2 | ||
Available-for-sale Securities [Member] | Fixed rate callable securities [Member] | |||
Derivative [Line Items] | |||
Hedged Asset, Fair Value Hedge | $ 23,700,000 |