CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - UNAUDITED - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net income	$ 33,296	$ 34,882
Adjustments to reconcile net income to net cash provided by operating activities-
Depreciation	11,409	11,506
Amortization	24,147	22,808
Asset impairment	0	1,689
Gain on lease modifications	0	(3,812)
Unrealized foreign currency transaction (gain) loss, net	(254)	241
Deferred income taxes	2,311	(4,673)
Stock-based compensation	16,371	14,056
Changes in operating assets and liabilities, net of acquired amounts:
Trade accounts receivable, net	892	(7,789)
Other current and non-current assets and liabilities	(11,154)	(16,083)
Income taxes payable/receivable	(11,937)	(7,235)
Trade accounts payable and accrued liabilities	(52,596)	(26,853)
Deferred revenue	1,269	9,046
Net cash provided by operating activities	13,754	27,783
Cash flows from investing activities:
Purchases of software, property and equipment	(9,073)	(16,428)
Proceeds from sale/maturity of short-term investments	0	71
Business combinations, net of cash and settlement assets acquired of $46,432 and zero	17,293	0
Net cash provided by (used in) investing activities	8,220	(16,357)
Cash flows from financing activities:
Proceeds from issuance of common stock	1,618	1,664
Payment of cash dividends	(18,088)	(17,712)
Repurchase of common stock	(27,943)	(9,418)
Deferred acquisition payments	(488)	(1,220)
Proceeds from long-term debt	15,000	30,000
Payments on long-term debt	(18,750)	(18,750)
Payments on financing obligations	(469)	0
Settlement and merchant reserve activity	(88,703)	(63,107)
Net cash used in financing activities	(137,823)	(78,543)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	(2,438)	708
Net decrease in cash, cash equivalents, and restricted cash	(118,287)	(66,409)
Cash, cash equivalents and restricted cash, beginning of period	463,876	389,018
Cash, cash equivalents and restricted cash, end of period	345,589	322,609
Cash paid during the period for-
Interest	13,566	14,672
Income taxes	23,822	23,720
Noncash Investing and Financing Items [Abstract]
Software, property and equipment included in current and noncurrent liabilities	9,017	0
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	110,435	146,212
Settlement and merchant reserve assets	232,054	176,397
Restricted cash included in current and non-current assets	3,100	0
Total cash, cash equivalents and restricted cash	$ 345,589	$ 322,609