Note 27: Condensed Parent Company Statements: Schedule of Parent Company Condensed Statements of Financial Condition (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Cash	$ 109,052	$ 96,167
Available-for-sale securities	365,506	555,281
Total assets	3,951,334	3,560,250
Additional paid-in capital	22,345	19,567
Retained earnings	332,283	300,589
Statements of Financial Condition | Parent Company | Assets
Cash	64,836	38,965
Available-for-sale securities	3,154	2,869
Investment in subsidiary bank	385,046	371,590
Income Taxes Receivable, Current		31
Prepaid expenses and other assets	1,466	1,752
Total assets	454,502	415,207
Statements of Financial Condition | Parent Company | Liabilities and Stockholders Equity
Accounts Payable and Other Accrued Liabilities	3,126	2,891
Deferred Tax Liabilities, Gross	702	689
Subordinated Debt	30,929	30,929
Preferred Stock Value Parent	57,943	57,943
Common Stock Value Parent	138	137
Additional paid-in capital	22,345	19,567
Retained earnings	332,283	300,589
Unrealized gain on available-for-sale securities, parent net	7,036	2,462
Total Assets and Liabilities	$ 454,502	$ 415,207