Organization and Summary of Significant Accounting Policies (Equity Compensation) (Details)	12 Months Ended
Dec. 31, 2017
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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