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Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2025

Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

as of December 31, 2025 and 2024.


						Actual												For Capital Adequacy Purposes												For Capital Adequacy Purposes With Capital Conservation Buffer												To Be Well-Capitalized
						Amount						Ratio						Amount						Ratio						Amount						Ratio						Amount						Ratio
As of December 31, 2025:
Total Capital (to Risk-Weighted Assets)
Consolidated						$	446,560					12.77		%				$	279,756					8.00		%				$	367,180					10.50		%				$	349,695					10.00		%
West Bank						466,888						13.35		%				279,703						8.00		%				367,110						10.50		%				349,629						10.00		%

Tier 1 Capital (to Risk-Weighted Assets)
Consolidated						354,490						10.14		%				209,817						6.00		%				297,241						8.50		%				279,756						8.00		%
West Bank						434,818						12.44		%				209,777						6.00		%				297,184						8.50		%				279,703						8.00		%

Common Equity Tier 1 Capital (to Risk-Weighted Assets)
Consolidated						334,490						9.57		%				157,363						4.50		%				244,786						7.00		%				227,302						6.50		%
West Bank						434,818						12.44		%				157,333						4.50		%				244,740						7.00		%				227,259						6.50		%

Tier 1 Capital (to Average Assets)
Consolidated						354,490						8.44		%				168,074						4.00		%				168,074						4.00		%				210,092						5.00		%
West Bank						434,818						10.35		%				168,053						4.00		%				168,053						4.00		%				210,067						5.00		%

As of December 31, 2024:
Total Capital (to Risk-Weighted Assets)
Consolidated						$	429,208					12.11		%				$	283,628					8.00		%				$	372,261					10.50		%				$	354,535					10.00		%
West Bank						455,572						12.86		%				283,468						8.00		%				372,051						10.50		%				354,335						10.00		%

Tier 1 Capital (to Risk-Weighted Assets)
Consolidated						337,232						9.51		%				212,721						6.00		%				301,354						8.50		%				283,628						8.00		%
West Bank						423,596						11.95		%				212,601						6.00		%				301,184						8.50		%				283,468						8.00		%

Common Equity Tier 1 Capital (to Risk-Weighted Assets)
Consolidated						317,232						8.95		%				159,541						4.50		%				248,174						7.00		%				230,447						6.50		%
West Bank						423,596						11.95		%				159,451						4.50		%				248,034						7.00		%				230,317						6.50		%

Tier 1 Capital (to Average Assets)
Consolidated						337,232						7.93		%				170,113						4.00		%				170,113						4.00		%				212,641						5.00		%
West Bank						423,596						9.97		%				170,029						4.00		%				170,029						4.00		%				212,537						5.00		%