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Selected Unaudited Quarterly Information (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Selected Unaudited Quarterly Information
Revenue	$ 63,024	$ 58,446	$ 47,671	$ 44,495	$ 43,115	$ 41,468	$ 38,349	$ 38,648	$ 213,636	$ 161,580	$ 138,041
Income from continuing operations	4,352	3,996	4,643	4,303	5,913	5,471	5,606	5,960	17,294	22,950	19,357
Income from discontinued operations	2,239	98	98	98	(454)	(14,469)	(172)	(222)	2,533	(15,317)	24,167
Net income	$ 6,591	$ 4,094	$ 4,741	$ 4,401	$ 5,459	$ (8,998)	$ 5,434	$ 5,738	$ 19,827	$ 7,633	$ 43,524
Basic and diluted net income per share (in dollars per share)	$ 0.07	$ 0.04	$ 0.05	$ 0.05	$ 0.07	$ (0.11)	$ 0.07	$ 0.07	$ 0.21	$ 0.09	$ 0.53
Weighted average number of shares outstanding, basic and diluted (in shares)	100,187	100,187	91,847	82,937	82,937	82,937	82,937	82,937	93,855	82,937	81,857

X

- Definition

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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