v3.26.3
CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Current assets      
Cash and cash equivalents $ 119,705,000 $ 96,585,000  
Contract assets 104,622,000 114,918,000  
Inventories, net 252,192,000 253,759,000  
Other current receivables 22,500,000 17,854,000  
Prepaids and other current assets 18,828,000 32,882,000  
Total current assets 648,908,000 629,210,000  
Property, plant and equipment, net of accumulated depreciation of $76,391 and $67,372, respectively 197,673,000 200,818,000  
Goodwill 307,954,000 307,014,000  
Related party note receivable 22,656,000 33,604,000  
Right-of-use assets 45,834,000 48,739,000  
Other assets 24,138,000 16,249,000  
Total assets 1,362,565,000 1,357,704,000  
Current liabilities      
Current portion of long-term debt, net 1,473,000 715,000 $ 14,397,000
Contract liabilities 42,780,000 35,249,000  
Accrued expenses 84,964,000 95,780,000  
Other current liabilities 24,648,000 35,582,000  
Total current liabilities 218,317,000 223,639,000  
Non-current operating lease liabilities 40,469,000 39,922,000  
Other liabilities 61,017,000 54,323,000  
Total liabilities 516,166,000 657,252,000  
Shareholders' equity      
Members' equity 0 698,613,000  
Additional paid-in capital 185,133,000 0  
Retained earnings 27,566,000 0  
Accumulated other comprehensive income (loss) 2,011,000 0  
Class A common stock held in treasury (254,232 shares as of June 30, 2026) (4,888,000) 0  
Total shareholders' equity 210,261,000 698,613,000  
Non-controlling interests 636,138,000 1,839,000  
Total equity 846,399,000 700,452,000 631,337,000
Total liabilities and shareholders' equity 1,362,565,000 1,357,704,000  
Customer relationships      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively 63,338,000 67,224,000  
Other intangible assets      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively 52,064,000 54,846,000  
Nonrelated Party      
Current assets      
Accounts receivable 125,099,000 108,060,000  
Current liabilities      
Accounts payable 64,439,000 56,206,000  
Long-term debt, net 196,363,000 195,636,000  
Related Party      
Current assets      
Accounts receivable 1,605,000 1,499,000  
Related party notes receivable—current 4,357,000 3,653,000  
Related party note receivable 22,656,000 33,604,000  
Current liabilities      
Accounts payable 13,000 107,000 107
Long-term debt, net 0 143,732,000  
Other liabilities 8,291,000 8,291,000  
Class A Common Stock      
Shareholders' equity      
Common stock, value, issued 120,000 0  
Class B Common Stock      
Shareholders' equity      
Common stock, value, issued $ 319,000 0  
HMH Holding BV And Subsidiaries [Member]      
Current assets      
Cash and cash equivalents   96,585,000 48,912,000
Contract assets   114,918,000 153,150,000
Inventories, net   253,759,000 279,957,000
Other current receivables   17,854,000 31,158,000
Prepaids and other current assets   32,882,000 23,953,000
Total current assets   629,210,000 660,023,000
Property, plant and equipment, net of accumulated depreciation of $76,391 and $67,372, respectively   200,818,000 198,684,000
Goodwill   307,014,000 300,939,000
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   122,070,000 135,154,000
Related party note receivable   33,604,000 31,747,000
Right-of-use assets   48,739,000 34,673,000
Other assets   16,249,000 19,997,000
Total assets   1,357,704,000 1,381,217,000
Current liabilities      
Current portion of long-term debt, net   715,000 14,397,000
Contract liabilities   35,249,000 55,627,000
Accrued expenses   95,780,000 128,420,000
Other current liabilities   35,582,000 33,633,000
Total current liabilities   223,639,000 340,435,000
Non-current operating lease liabilities   39,922,000 27,052,000
Other liabilities   54,323,000 53,646,000
Total liabilities   657,252,000 749,880,000
Shareholders' equity      
Common stock, value, issued   0 0
Additional paid-in capital   610,431,000 610,431,000
Retained earnings   83,943,000 38,489,000
Accumulated other comprehensive income (loss)   4,239,000 (18,753,000)
Total shareholders' equity   698,613,000 630,167,000
Non-controlling interests   1,839,000 1,170,000
Total equity   700,452,000 631,337,000
Total liabilities and shareholders' equity   1,357,704,000 1,381,217,000
HMH Holding BV And Subsidiaries [Member] | Customer relationships      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   67,224,000 75,758,000
HMH Holding BV And Subsidiaries [Member] | Other intangible assets      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   54,846,000 59,396,000
HMH Holding BV And Subsidiaries [Member] | Nonrelated Party      
Current assets      
Cash and cash equivalents   108,060,000 116,882,000
Current liabilities      
Accounts payable   56,206,000 107,807,000
Long-term debt, net   195,636,000 196,837,000
HMH Holding BV And Subsidiaries [Member] | Related Party      
Current assets      
Accounts receivable   1,499,000 2,332,000
Related party notes receivable—current   3,653,000 3,679,000
Related party note receivable   33,604,000 31,747,000
Current liabilities      
Accounts payable   107,000 551,000
Long-term debt, net   143,732,000 131,910,000
Other liabilities   8,291,000 8,676,000
HMH Holding Inc. [Member]      
Current assets      
Accounts receivable   10 10
Total assets   10 10
Shareholders' equity      
Common stock, value, issued   10 10
Total shareholders' equity   10 $ 10
HMH Holding Inc. [Member] | Historical [Member]      
Current assets      
Cash and cash equivalents   96,585,000  
Contract assets   114,918,000  
Inventories, net   253,759,000  
Other current receivables   17,854,000  
Prepaids and other current assets   32,882,000  
Total current assets   629,210,000  
Property, plant and equipment, net of accumulated depreciation of $76,391 and $67,372, respectively   200,818,000  
Goodwill   307,014,000  
Related party note receivable   33,604,000  
Right-of-use assets   48,739,000  
Other assets   16,249,000  
Total assets   1,357,704,000  
Current liabilities      
Current portion of long-term debt, net   715,000  
Contract liabilities   35,249,000  
Accrued expenses   95,780,000  
Other current liabilities   35,582,000  
Total current liabilities   223,639,000  
Non-current operating lease liabilities   39,922,000  
Other liabilities   54,323,000  
Total liabilities   657,252,000  
Shareholders' equity      
Common stock, value, issued   0  
Additional paid-in capital   610,431,000  
Retained earnings   83,943,000  
Accumulated other comprehensive income (loss)   4,239,000  
Total shareholders' equity   698,613,000  
Non-controlling interests   1,839,000  
Total equity   700,452,000  
Total liabilities and shareholders' equity   1,357,704,000  
HMH Holding Inc. [Member] | Corporate Reorganizations Adjustment [Member]      
Current assets      
Cash and cash equivalents   0  
Contract assets   0  
Inventories, net   0  
Other current receivables   0  
Prepaids and other current assets   0  
Total current assets   0  
Property, plant and equipment, net of accumulated depreciation of $76,391 and $67,372, respectively   0  
Goodwill   0  
Related party note receivable   0  
Right-of-use assets   0  
Other assets   0  
Total assets   0  
Current liabilities      
Current portion of long-term debt, net   0  
Contract liabilities   0  
Accrued expenses   0  
Other current liabilities   0  
Total current liabilities   0  
Non-current operating lease liabilities   0  
Other liabilities   3,424,000  
Total liabilities   3,424,000  
Shareholders' equity      
Common stock, value, issued   0  
Additional paid-in capital   (531,833,000)  
Retained earnings   0  
Accumulated other comprehensive income (loss)   0  
Total shareholders' equity   (531,507,000)  
Non-controlling interests   528,083,000  
Total equity   (3,424,000)  
Total liabilities and shareholders' equity   0  
HMH Holding Inc. [Member] | Offering Transactions Adjustments [Member]      
Current assets      
Cash and cash equivalents   19,916,000  
Contract assets   0  
Inventories, net   0  
Other current receivables   0  
Prepaids and other current assets   (21,326,000)  
Total current assets   (1,410,000)  
Property, plant and equipment, net of accumulated depreciation of $76,391 and $67,372, respectively   0  
Goodwill   0  
Related party note receivable   (9,352,000)  
Right-of-use assets   0  
Other assets   0  
Total assets   (10,762,000)  
Current liabilities      
Current portion of long-term debt, net   0  
Contract liabilities   0  
Accrued expenses   0  
Other current liabilities   0  
Total current liabilities   0  
Non-current operating lease liabilities   0  
Other liabilities   0  
Total liabilities   (143,732,000)  
Shareholders' equity      
Common stock, value, issued   0  
Additional paid-in capital   68,478,000  
Retained earnings   (21,186,000)  
Accumulated other comprehensive income (loss)   0  
Total shareholders' equity   47,406,000  
Non-controlling interests   85,564,000  
Total equity   132,970,000  
Total liabilities and shareholders' equity   (10,762,000)  
HMH Holding Inc. [Member] | Pro Forma [Member]      
Current assets      
Cash and cash equivalents   116,501,000  
Contract assets   114,918,000  
Inventories, net   253,759,000  
Other current receivables   17,854,000  
Prepaids and other current assets   11,556,000  
Total current assets   627,800,000  
Property, plant and equipment, net of accumulated depreciation of $76,391 and $67,372, respectively   200,818,000  
Goodwill   307,014,000  
Related party note receivable   24,252,000  
Right-of-use assets   48,739,000  
Other assets   16,249,000  
Total assets   1,346,942,000  
Current liabilities      
Current portion of long-term debt, net   715,000  
Contract liabilities   35,249,000  
Accrued expenses   95,780,000  
Other current liabilities   35,582,000  
Total current liabilities   223,639,000  
Non-current operating lease liabilities   39,922,000  
Other liabilities   58,189,000  
Total liabilities   517,386,000  
Shareholders' equity      
Common stock, value, issued   0  
Additional paid-in capital   147,076,000  
Retained earnings   62,757,000  
Accumulated other comprehensive income (loss)   4,239,000  
Total shareholders' equity   214,512,000  
Non-controlling interests   615,486,000  
Total equity   829,998,000  
Total liabilities and shareholders' equity   1,346,942,000  
HMH Holding Inc. [Member] | Customer relationships | Historical [Member]      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   67,224,000  
HMH Holding Inc. [Member] | Customer relationships | Corporate Reorganizations Adjustment [Member]      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   0  
HMH Holding Inc. [Member] | Customer relationships | Offering Transactions Adjustments [Member]      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   0  
HMH Holding Inc. [Member] | Customer relationships | Pro Forma [Member]      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   67,224,000  
HMH Holding Inc. [Member] | Other intangible assets | Historical [Member]      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   54,846,000  
HMH Holding Inc. [Member] | Other intangible assets | Corporate Reorganizations Adjustment [Member]      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   0  
HMH Holding Inc. [Member] | Other intangible assets | Offering Transactions Adjustments [Member]      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   0  
HMH Holding Inc. [Member] | Other intangible assets | Pro Forma [Member]      
Current assets      
Customer relationships, net of accumulated amortization of $50,254 and $46,299, respectively   54,846,000  
HMH Holding Inc. [Member] | Nonrelated Party | Historical [Member]      
Current assets      
Accounts receivable   108,060,000  
Current liabilities      
Accounts payable   56,206,000  
Long-term debt, net   195,636,000  
HMH Holding Inc. [Member] | Nonrelated Party | Corporate Reorganizations Adjustment [Member]      
Current assets      
Accounts receivable   0  
Current liabilities      
Accounts payable   0  
Long-term debt, net   0  
HMH Holding Inc. [Member] | Nonrelated Party | Offering Transactions Adjustments [Member]      
Current assets      
Accounts receivable   0  
Current liabilities      
Accounts payable   0  
Long-term debt, net   0  
HMH Holding Inc. [Member] | Nonrelated Party | Pro Forma [Member]      
Current assets      
Accounts receivable   108,060,000  
Current liabilities      
Accounts payable   56,206,000  
Long-term debt, net   195,636,000  
HMH Holding Inc. [Member] | Related Party | Historical [Member]      
Current assets      
Accounts receivable   1,499,000  
Related party notes receivable—current   3,653,000  
Current liabilities      
Accounts payable   107,000  
Long-term debt, net   143,732,000  
HMH Holding Inc. [Member] | Related Party | Corporate Reorganizations Adjustment [Member]      
Current assets      
Accounts receivable   0  
Related party notes receivable—current   0  
Current liabilities      
Accounts payable   0  
Long-term debt, net   0  
HMH Holding Inc. [Member] | Related Party | Offering Transactions Adjustments [Member]      
Current assets      
Accounts receivable   0  
Related party notes receivable—current   0  
Current liabilities      
Accounts payable   0  
Long-term debt, net   (143,732,000)  
HMH Holding Inc. [Member] | Related Party | Pro Forma [Member]      
Current assets      
Accounts receivable   1,499,000  
Related party notes receivable—current   3,653,000  
Current liabilities      
Accounts payable   107,000  
Long-term debt, net   0  
HMH Holding Inc. [Member] | Class A Common Stock | Historical [Member]      
Shareholders' equity      
Common stock, value, issued   0  
HMH Holding Inc. [Member] | Class A Common Stock | Corporate Reorganizations Adjustment [Member]      
Shareholders' equity      
Common stock, value, issued   0  
HMH Holding Inc. [Member] | Class A Common Stock | Offering Transactions Adjustments [Member]      
Shareholders' equity      
Common stock, value, issued   114,000  
HMH Holding Inc. [Member] | Class A Common Stock | Pro Forma [Member]      
Shareholders' equity      
Common stock, value, issued   114,000  
HMH Holding Inc. [Member] | Class B Common Stock | Historical [Member]      
Shareholders' equity      
Common stock, value, issued   0  
HMH Holding Inc. [Member] | Class B Common Stock | Corporate Reorganizations Adjustment [Member]      
Shareholders' equity      
Common stock, value, issued   326,000  
HMH Holding Inc. [Member] | Class B Common Stock | Offering Transactions Adjustments [Member]      
Shareholders' equity      
Common stock, value, issued   0  
HMH Holding Inc. [Member] | Class B Common Stock | Pro Forma [Member]      
Shareholders' equity      
Common stock, value, issued   $ 326,000