REVENUE RECOGNITION (Tables)

12 Months Ended

Dec. 31, 2019

Schedule of Assets and Liabilities Associated with Contracts from Customers

The following table provides information about assets and liabilities associated with our contracts from customers (in thousands):

	As of December 31, 2019
Accounts receivable	$	60,452
Short-term unbilled receivables		1,362
Long-term unbilled receivables		—
Short-term deferred revenue		97,333
Long-term deferred revenue		47,529

Summary of Significant Changes in Unbilled Receivables and Deferred Liabilities Balances

Significant changes in the unbilled receivables and deferred liabilities balances for the years ended December 31, 2019 and 2018, are as follows (in thousands):

	Year Ended December 31, 2019
	Unbilled Receivables Increase (Decrease)			Deferred Revenue (Increase) Decrease
Balance at December 31, 2018	$	1,020		$	(122,567	)
Revenue recognized that was previously included in deferred revenue		—			133,394
Increases due to cash received		—			(157,321	)
Cumulative catch-up adjustment arising from changes in estimates of    transaction price		—			1,632
Unbilled receivables recognized		1,834			—
Transferred to receivables from unbilled receivables		(1,492	)		—
Net change		342			(22,295	)
Balance at December 31, 2019	$	1,362		$	(144,862	)
	Year Ended December 31, 2018
	Unbilled Receivables Increase (Decrease)			Deferred Revenue (Increase) Decrease
Balance at December 31, 2017	$	70		$	(38,883	)
Adoption of Topic 606 on January 1, 2018		307			(21,307	)
Adjusted balance on January 1, 2018		377			(60,190	)
Revenue recognized that was previously included in deferred revenue		—			64,562
Increases due to cash received		—			(130,639	)
Cumulative catch-up adjustment arising from changes in estimates of    transaction price		—			3,700
Unbilled receivables recognized		2,024			—
Transferred to receivables from unbilled receivables		(1,381	)		—
Net change		643			(62,377	)
Balance at December 31, 2018	$	1,020		$	(122,567	)

Revenue from Contracts with Customers - ASU No. 2014-09 [Member]

Summary of Impacts of Adopting Topic 606 on Consolidated Financial Statements

The following tables summarize the impacts of adopting Topic 606 on the Company’s Consolidated Financial Statements for the year ended December 31, 2018 (in thousands)

	Impact of Changes in Accounting Policies
December 31, 2018	As Reported		Adjustment			Balances Without Adoption of Topic 606
ASSETS
Other assets (current and non-current)	$	70,892	$	—		$	70,892
Deferred income taxes		24,377		(11,153	)		13,224
TOTAL ASSETS		933,424		(11,153	)		922,271
LIABILITIES AND SHAREHOLDERS' EQUITY
Deferred revenue (current and non-current)		122,567		(99,885	)		22,682
Retained earnings		129,552		88,732			218,284
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY		933,424		(11,153	)		922,271

	Impact of Changes in Accounting Policies
Year Ended December 31, 2018	As Reported			Adjustment			Balances Without Adoption of Topic 606
REVENUE	$	247,414		$	78,885		$	326,299
Gross margin		193,873			78,885			272,758
OPERATING INCOME		56,735			78,885			135,620
INCOME BEFORE INCOME TAXES		64,311			78,885			143,196
INCOME TAX EXPENSE		(5,471	)		(7,252	)		(12,723	)
NET INCOME		58,840			71,633			130,473

	Impact of Changes in Accounting Policies
Year Ended December 31, 2018	As Reported			Adjustment			Balances Without Adoption of Topic 606
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	58,840		$	71,633		$	130,473
Amortization of deferred revenue and recognition of unbilled receivables		(68,905	)		(81,991	)		(150,896	)
Deferred income tax (benefit) expense		(12,814	)		10,358			(2,456	)
Other assets (current and non-current)		(59,062	)		—			(59,062	)
Net cash provided by operating activities		121,796			—			121,796