CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 213,899	$ 210,160
Accounts receivable, net of allowance for expected credit losses of $2,010 and $1,593 at March 31, 2026 and December 31, 2025	56,316	61,837
Prepaid expenses and other current assets	13,233	14,476
Total current assets	283,448	286,473
Internal use software, net	19,391	17,804
Intangible assets, net	12,064	12,722
Goodwill	51,903	51,903
Deferred tax assets	8,311	9,400
Total assets	375,117	378,302
Current liabilities:
Accounts payable and accrued expenses	44,321	59,543
Accrued payroll and related liabilities	3,517	3,352
Other current liabilities	4,298	5,626
Total current liabilities	52,136	68,521
Other liabilities, non-current	4,354	4,045
Total liabilities	56,490	72,566
Commitments and contingencies (Note 8)
Stockholders' equity:
Common stock	7	7
Additional paid-in capital	581,174	577,043
Treasury stock	(10,025)	(10,025)
Notes receivable from employees	(183)	(181)
Accumulated deficit	(252,346)	(261,108)
Total stockholders' equity	318,627	305,736
Total liabilities and stockholders' equity	$ 375,117	$ 378,302

Intangible Assets, Net (Excluding Capitalized Computer Software And Goodwill)

No definition available.

Name:	mntn_IntangibleAssetsNetExcludingCapitalizedComputerSoftwareAndGoodwill
Namespace Prefix:	mntn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.