Debt - Schedule of Subordinated Debentures (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Spread on variable interest rate	0.26161%
NYM Preferred Trust I
Debt Instrument [Line Items]
Debt face amount	$ 25,000	$ 25,000
NYM Preferred Trust I \| CME Term, SOFR
Debt Instrument [Line Items]
Spread on variable interest rate	0.26161%	0.26161%
NYM Preferred Trust I \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Spread on variable interest rate	3.75%	3.75%
NYM Preferred Trust II
Debt Instrument [Line Items]
Debt face amount	$ 20,000	$ 20,000
NYM Preferred Trust II \| CME Term, SOFR
Debt Instrument [Line Items]
Spread on variable interest rate	0.26161%	0.26161%
NYM Preferred Trust II \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Spread on variable interest rate	3.95%	3.95%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details