Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Tax Disclosure [Abstract]
Permanent book-to-tax differences	$ 510	$ 776	$ 1,122	$ 1,366

Effective Income Tax Rate Reconciliation, Permanent Differences, Amount

No definition available.

Name:	tcap_EffectiveIncomeTaxRateReconciliationPermanentDifferencesAmount
Namespace Prefix:	tcap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration