Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Schedule of Income Before Provision For Income Taxes

Income before provision for income taxes consisted of the following:

(in thousands)	Year Ended December 31,
	2015			2014			2013
U.S.	$	66,889		$	76,848		$	71,678
Foreign		(512	)		(287	)		(304	)
	$	66,377		$	76,561		$	71,374

Provision for Income Taxes

The provision for income taxes consisted of the following:

(in thousands)	Year Ended December 31,
	2015			2014			2013
Current:
U.S. Federal	$	7,976		$	7,494		$	1,188
State		1,851			2,139			1,803
Foreign		1,645			1,572			2,217
		11,472			11,205			5,208
Deferred:
U.S. Federal		13,201			17,986			21,067
State		1,538			1,927			1,818
Foreign		(304	)		(266	)		(116	)
		14,435			19,647			22,769
Total	$	25,907		$	30,852		$	27,977

Reconciliation of U.S. Federal Statutory Tax Rate to Company's Effective Tax Rate

The reconciliation of the U.S. federal statutory tax rate to the Company’s effective tax rate is as follows:

	Year Ended December 31,
	2015			2014			2013
U.S. federal statutory rate		35.0	%		35.0	%		35.0	%
State taxes, net of federal benefit		4.2			4.1			4.1
Other		(0.2	)		1.2			0.1
		39.0	%		40.3	%		39.2	%

Deferred Income Taxes Related to Temporary Differences between Tax Bases of Assets and Liabilities

The following table shows the deferred income taxes related to the temporary differences between the tax bases of assets and liabilities and the respective amounts included in “Deferred income taxes, net” on the Company’s Consolidated Balance Sheets:

(in thousands)	December 31,
	2015		2014
Deferred tax liabilities:
Accelerated depreciation	$	286,618	$	272,496
Prepaid costs currently deductible		6,997		6,358
Other		5,034		4,404
Total deferred tax liabilities		298,649		283,258
Deferred tax assets:
Accrued costs not yet deductible		8,638		7,463
Allowance for doubtful accounts		804		788
Net operating loss carry forwards and credits		577		302
Deferred revenues		1,945		1,132
Share-based compensation		3,334		4,671
Total deferred tax assets		15,298		14,356
Deferred income taxes, net	$	283,351	$	268,902