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Regulatory Capital Requirements (Tables)

3 Months Ended

Mar. 31, 2024

Regulatory Capital Requirements [Abstract]

Actual Capital Amounts and Ratios

The Bank and the Company reported the following capital ratios as of March 31, 2024 and December 31, 2023:

(Bank Only)														Minimum for
		As of March 31, 2024								Well				Capital Adequacy plus
		As of March 31, 2024								Well				Capital Conservation
(dollars in thousands)		Amount				Ratio				Capitalized⁽¹⁾				Buffer⁽¹⁾⁽²⁾

Tier 1 leverage ratio		$	640,288				10.427	%			5.000	%			4.000	%
Common equity tier 1 capital			640,288				18.505				6.500				7.000
Tier 1 risk-based capital			640,288				18.505				8.000				8.500
Total risk-based capital			683,633				19.758				10.000				10.500

		As of December 31, 2023								Well				Minimum for
														Capital Adequacy plus
														Capital Conservation
(dollars in thousands)		Amount				Ratio				Capitalized⁽¹⁾				Buffer ⁽¹⁾⁽²⁾

Tier 1 leverage ratio		$	636,327				10.428	%			5.000	%			4.000	%
Common equity tier 1 capital			636,327				18.280				6.500				7.000
Tier 1 risk-based capital			636,327				18.280				8.000				8.500
Total risk-based capital			679,924				19.532				10.000				10.500

(Consolidated)
		As of March 31, 2024								Minimum for
										Capital Adequacy plus
										Capital Conservation
(dollars in thousands)		Amount				Ratio				Buffer⁽¹⁾⁽²⁾

Tier 1 leverage ratio		$	663,400				10.798	%			4.000	%
Common equity tier 1 capital			663,400				19.168				7.000
Tier 1 risk-based capital			663,400				19.168				8.500
Total risk-based capital			706,757				20.421				10.500

		As of December 31, 2023								Minimum for
										Capital Adequacy plus
										Capital Conservation
(dollars in thousands)		Amount				Ratio				Buffer⁽¹⁾⁽²⁾

Tier 1 leverage ratio		$	657,968				10.780	%			4.000	%
Common equity Tier 1 capital			657,968				18.896				7.000
Tier 1 risk-based capital			657,968				18.896				8.500
Total risk-based capital			701,577				20.149				10.500

(1)	Federal regulatory minimum requirements to be considered to be Well Capitalized and Adequately Capitalized

(2)	The March 31, 2024 and December 31, 2023 common equity tier 1, tier 1 risk-based, and total risk-based capital ratios include a capital conservation buffer of 2.50 percent