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Column '4/1/2013 - 6/30/2013' is shorter (90 days) and has only 1 values, so it is being removed. Columns in Cash Flows statement 'Condensed Statements of Cash Flows - Parent Company Only (Details) (USD $)' have maximum duration 365 days and at least 56 values. Shorter duration columns must have at least one fourth (14) as many values. Column '7/1/2013 - 9/30/2013' is shorter (91 days) and has only 1 values, so it is being removed. Columns in Cash Flows statement 'Condensed Statements of Cash Flows - Parent Company Only (Details) (USD $)' have maximum duration 365 days and at least 56 values. Shorter duration columns must have at least one fourth (14) as many values. Column '10/1/2013 - 12/31/2013' is shorter (91 days) and has only 2 values, so it is being removed. Columns in Cash Flows statement 'Condensed Statements of Cash Flows - Parent Company Only (Details) (USD $)' have maximum duration 365 days and at least 56 values. Shorter duration columns must have at least one fourth (14) as many values. Column '1/1/2014 - 3/31/2014' is shorter (89 days) and has only 2 values, so it is being removed. Columns in Cash Flows statement 'Condensed Statements of Cash Flows - Parent Company Only (Details) (USD $)' have maximum duration 365 days and at least 56 values. Shorter duration columns must have at least one fourth (14) as many values. Column '4/1/2014 - 6/30/2014' is shorter (90 days) and has only 1 values, so it is being removed. Columns in Cash Flows statement 'Condensed Statements of Cash Flows - Parent Company Only (Details) (USD $)' have maximum duration 365 days and at least 56 values. Shorter duration columns must have at least one fourth (14) as many values. Column '7/1/2014 - 9/30/2014' is shorter (91 days) and has only 1 values, so it is being removed. Columns in Cash Flows statement 'Condensed Statements of Cash Flows - Parent Company Only (Details) (USD $)' have maximum duration 365 days and at least 56 values. Shorter duration columns must have at least one fourth (14) as many values. Column '10/1/2014 - 12/31/2014' is shorter (91 days) and has only 2 values, so it is being removed. Process Flow-Through: 1001000 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: 1002500 - Statement - Consolidated Balance Sheets (Parentheticals) Process Flow-Through: 1003000 - Statement - Consolidated Statements of Income Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2013' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2013' Process Flow-Through: 1004000 - Statement - Consolidated Statements of Comprehensive Income Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2014' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2014' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2013' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2013' Process Flow-Through: 1006500 - Statement - Consolidated Statements of Stockholders' Equity (Parentheticals) Process Flow-Through: 1007000 - Statement - Consolidated Statements of Cash Flows wtba-20141231.xml wtba-20141231.xsd wtba-20141231_cal.xml wtba-20141231_def.xml wtba-20141231_lab.xml wtba-20141231_pre.xml true true