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Regulatory Capital Requirements (Tables)

9 Months Ended

Sep. 30, 2021

Regulatory Capital Requirements [Abstract]

Actual Capital Amounts and Ratios

The Bank and the Company reported the following capital ratios as of September 30, 2021 and December 31, 2020:

(Bank Only)
														Minimum for Capital Adequacy plus Capital Conservation
		As of September 30, 2021								Well
		As of September 30, 2021								Well
(dollars in thousands)		Amount				Ratio				Capitalized⁽¹⁾				Buffer⁽¹⁾⁽²⁾

Tier 1 leverage ratio		$	561,969				9.148	%			5.000	%			4.000	%
Common equity tier 1 capital			561,969				18.899				6.500				7.000
Tier 1 risk-based capital			561,969				18.899				8.000				8.500
Total risk-based capital			599,265				20.153				10.000				10.500

		As of December 31, 2020								Well				Minimum for Capital Adequacy plus Capital Conservation
(dollars in thousands)		Amount				Ratio				Capitalized⁽¹⁾				Buffer ⁽¹⁾⁽²⁾

Tier 1 leverage ratio		$	539,897				9.378	%			5.000	%			4.000	%
Common equity tier 1 capital			539,897				18.646				6.500				7.000
Tier 1 risk-based capital			539,897				18.646				8.000				8.500
Total risk-based capital			576,257				19.902				10.000				10.500

(Consolidated)
		As of September 30, 2021								Minimum for Capital Adequacy plus Capital Conservation
(dollars in thousands)		Amount				Ratio				Buffer⁽¹⁾⁽²⁾

Tier 1 leverage ratio		$	578,825				9.420	%			4.000	%
Common equity tier 1 capital			578,825				19.461				7.000
Tier 1 risk-based capital			578,825				19.461				8.500
Total risk-based capital			616,131				20.715				10.500

		As of December 31, 2020								Minimum for Capital Adequacy plus Capital Conservation
(dollars in thousands)		Amount				Ratio				Buffer⁽¹⁾⁽²⁾

Tier 1 leverage ratio		$	555,672				9.650	%			4.000	%
Common equity Tier 1 capital			555,672				19.187				7.000
Tier 1 risk-based capital			555,672				19.187				8.500
Total risk-based capital			592,040				20.443				10.500

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

(2)	The September 30, 2021 and December 31, 2020 common equity tier 1, tier 1 risk-based, and total risk-based capital ratios include a capital conservation buffer of 2.50 percent