Summary of Significant Accounting Policies (Table)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Schedule of Accounts Receivable and Allowance for Doubtful Accounts

Following are the changes in the allowance for doubtful accounts for the years December 31, 2017, 2016 and 2015:

	Balance Beginning of the Year		Additions		Write-offs Net of Recoveries			Balance at End of Year
December 31, 2017	$	2,912	$	9,712	$	(8,387	)	$	4,237
December 31, 2016	$	3,133	$	6,704	$	(6,925	)	$	2,912
December 31, 2015	$	2,511	$	11,237	$	(10,615	)	$	3,133

Schedule of Supplemental Disclosure of Cash Flow Information

Supplemental disclosure of cash flow information:

	Year Ended December 31,
	2017		2016		2015
Cash paid:
Interest paid (net of amounts capitalized) (a)	$	11,165	$	12,289	$	16,749
Income taxes paid	$	3,891	$	11,286	$	105
Cash received:
Income taxes refund	$	1,600	$	6,985	$	7,768
Noncash investing and financing activities:
Acquisition of fixed assets included in accounts payable and accrued expenses	$	455	$	2,058	$	2,031
(a) Interest includes cash payments under the Initial Lease (as defined below) resulting from the sale of the East 86th Street property in the year ended December 31, 2015.  See Notes 9 for additional noncash financing activities.

Schedule of Earnings Per Share, Basic and Diluted

The following table summarizes the weighted average common shares for basic and diluted EPS computations.

	For The Year Ended December 31,
	2017		2016		2015
Net income	$	4,369	$	8,043	$	21,158
Weighted average number of common share outstanding — basic	26,703,577		25,568,371		24,630,898
Effect of dilutive share-based awards	719,256		506,364		483,159
Weighted average number of common shares outstanding — diluted	27,422,833		26,074,735		25,114,057
Earnings per share:
Basic	$	0.16	$	0.31	$	0.86
Diluted	$	0.16	$	0.31	$	0.84