Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income	$ 12,299	$ 11,324
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	4,545	4,854
Impairment of property and equipment	0	626
Amortization of intangible assets	7,871	9,425
Net gains from investments	0	(2,365)
Deferred income taxes	(4,620)	(1,737)
Stock-based compensation	4,889	5,266
Operating lease right-of-use assets, amortization, and impairments	5,701	7,417
Amortization of deferred financing fees	467	490
Foreign currency (gains) losses	778	(2)
Changes in assets and liabilities:
Accounts receivable	20,468	29,955
Deferred commissions	4,377	5,295
Prepaid expenses and other current assets	2,371	404
Accounts payable	385	704
Accrued expenses and other liabilities	13,668	(33,548)
Deferred revenue	29,999	(6,902)
Operating lease liabilities	5,769	(6,204)
Net cash provided by operating activities	70,093	25,002
Cash flows from investing activities:
Purchases of property and equipment	(5,243)	(5,110)
Net cash used in investing activities	(5,243)	(5,110)
Cash flows from financing activities:
Payments on borrowings	(6,250)	(18,688)
Repurchases of common stock	(2,673)	0
Proceeds from issuance of common stock under employee equity incentive plans	3,065	2,010
Taxes paid related to net share settlements of stock-based compensation awards	(595)	(951)
Net cash used in financing activities	(6,453)	(17,629)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(122)	(2,254)
Net change in cash, cash equivalents and restricted cash	58,275	9
Cash, cash equivalents and restricted cash, beginning of period	90,652	69,192
Cash, cash equivalents and restricted cash, end of period	148,927	69,201
Supplemental disclosure of cash flow information:
Cash paid for interest	1,732	2,368
Cash paid (received) for income taxes	$ 5,066	$ (273)