STOCK REPURCHASE PROGRAM (NARRATIVE) (Details) - USD ($) $ in Thousands, shares in Millions	12 Months Ended	218 Months Ended
Dec. 31, 2017	Dec. 31, 2019
STOCK REPURCHASE PROGRAM [ABSTRACT]
Cumulative Authorized Share Repurchase Allowance		$ 762,300
Treasury Stock Purchases, Shares		46.1
Cost of Treasury Stock Purchases	$ 18,328	$ 735,800
Remaining Allowance Stock Repurchase Program		$ 26,600
Purchases of common stock, share		46.1
Purchases of common stock, value	$ 18,328	$ 735,800

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
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-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Balance Type:	debit
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