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Level 1 Equity (Notes) | 3 Months Ended
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Mar. 31, 2018
Equity [Abstract] |
Stockholders' Equity Note Disclosure [Text Block] | Capital Purchase Program ("CPP") Warrants As of March 31, 2018 and December 31, 2017, respectively, the Company has 2.2 million of CPP warrants outstanding and exercisable. CPP warrant exercises were 0.1 million and 1.0 million for the three months ended March 31, 2018 and 2017, respectively. The declaration of common stock dividends by the Company in excess of a threshold triggers a provision in the Company's warrant agreement with The Bank of New York Mellon resulting in adjustments to the CPP warrant exercise price. Accordingly, the declaration of a common stock dividend during the three months ended March 31, 2018 resulted in an adjustment to the CPP warrant exercise price. The CPP warrant exercise price was $8.964 as of March 31, 2018 and $8.999 as of December 31, 2017. Equity Repurchase Program The Company does not currently have an equity repurchase authorization in 2018.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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