Regulatory Capital (Details)	Dec. 31, 2025 Rate
Compliance with Regulatory Capital Requirements - ERCF [Abstract]
Minimum stress capital buffer	0.75%
Stability capital buffer	0.78%
Countercyclical capital buffer	0.00%
Minimum tier 1 capital (leverage) ratio	2.50%
Minimum core capital (statutory) ratio	2.50%
Prescribed leverage buffer amount	50.00%