CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities attributable to continuing operations:
Net income and comprehensive income	$ 14,184	$ 13,554
Less: Loss from discontinued operations, net of tax	1,621	2,353
Net income from continuing operations	15,805	15,907
Adjustments to reconcile income from continuing operations to net cash provided by operating activities attributable to continuing operations:
Loss on disposal of fixed assets	309	267
Amortization of intangibles	5,217	97
Depreciation	3,511	2,172
Rental amortization of intangibles and depreciation	525	0
Non-cash compensation expense	5,130	5,062
Deferred income taxes	(6,319)	(781)
Change in fair value of contingent consideration	18,139	0
Bad debt expense	96	387
Amortization of debt issuance costs	231	122
Amortization of convertible debt discount	909	0
Changes in current assets and liabilities:
Accounts receivable	(10,052)	(12,122)
Prepaid and other current assets	(323)	(1,681)
Accounts payable, accrued expenses and other current liabilities	16,852	(1,713)
Income taxes payable	(1,524)	6,825
Other, net	282	(373)
Net cash provided by operating activities attributable to continuing operations	48,224	14,915
Cash flows from investing activities attributable to continuing operations:
Capital expenditures	(3,611)	(6,452)
Acquisition of DepositAccounts	(24,000)
Initial cash consideration to acquire business	(29,415)	0
Acquisition of a business	0	4,500
Decrease in restricted cash	0	2,454
Net cash used in investing activities attributable to continuing operations	(57,026)	(8,498)
Cash flows from financing activities attributable to continuing operations:
Proceeds from stock options exercised	1,274
Proceeds from exercise of stock options, net of payments related to net-share settlement of stock-based compensation		(2,808)
Proceeds from the issuance of 0.625% Convertible Senior Notes	300,000	0
Payment of convertible note hedge transactions	(61,500)	0
Proceeds from the sale of warrants	43,410	0
Proceeds from equity offering	0
Payment of equity offering costs		(23)
Payment of debt issuance costs	(8,572)	(8)
Purchase of treasury stock	0	(48,090)
Net cash provided by (used in) financing activities attributable to continuing operations	274,612	(50,929)
Total cash provided by (used in) continuing operations	265,810	(44,512)
Net cash used in operating activities attributable to discontinued operations	(1,305)	(2,852)
Total cash used in discontinued operations	(1,305)	(2,852)
Net increase (decrease) in cash and cash equivalents	264,505	(47,364)
Cash and cash equivalents at beginning of period	91,131	206,975
Cash and cash equivalents at end of period	$ 355,636	$ 159,611