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v3.19.3.a.u2

INCOME TAXES. (Details 5) | 12 Months Ended
--- | ---
Dec. 31, 2018
US Treasury and Government [Member] |
Tax Years still open to audit | 2015-2017
Arizona [Member] |
Tax Years still open to audit | 2015-2017
California [Member] |
Tax Years still open to audit | 2014-2017
Colorado [Member] |
Tax Years still open to audit | 2014-2017
Idaho [Member] |
Tax Years still open to audit | 2015-2017
Illinois [Member] |
Tax Years still open to audit | 2014-2017
Indiana [Member] |
Tax Years still open to audit | 2015-2017
Iowa [Member] |
Tax Years still open to audit | 2015-2017
Kansas [Member] |
Tax Years still open to audit | 2015-2017
Minnesota [Member] |
Tax Years still open to audit | 2015-2017
Missouri [Member] |
Tax Years still open to audit | 2015-2017
Nebraska [Member] |
Tax Years still open to audit | 2015-2017
Oklahoma [Member] |
Tax Years still open to audit | 2015-2017
Oregon [Member] |
Tax Years still open to audit | 2015-2017
Texas [Member] |
Tax Years still open to audit | 2014-2017

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