Regulatory Capital (Tables)

6 Months Ended

Jun. 30, 2024

Banking and Thrift, Interest [Abstract]

Schedule of Regulatory Capital Requirement

The following table presents Horizon and the Bank’s actual and required capital ratios as of June 30, 2024, March 31, 2024 and December 31, 2023, as well as the revisions to Horizon's regulatory capital ratios to reflect the correction of the capital computations for the foregoing periods:

	Actual				Required for Capital Adequacy Purposes(1)				Required For Capital Adequacy Purposes with Capital Buffer(1)				Well Capitalized  Under Prompt Corrective Action Provisions(1)
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
June 30, 2024
Total capital (to risk-weighted assets)(1)
Consolidated	$	802,395	13.41	%	$	478,786	8.00	%	$	628,407	10.50	%	N/A		N/A
Bank	732,301		12.26		477,761		8.00		627,061		10.50		$	597,201	10.00	%
Tier 1 capital (to risk-weighted assets)(1)
Consolidated	693,807		11.59		359,090		6.00		508,711		8.50		N/A		N/A
Bank	679,381		11.38		358,321		6.00		507,621		8.50		477,761		8.00
Common equity tier 1 capital (to risk-weighted assets)(1)
Consolidated	636,438		10.63		269,317		4.50		418,938		7.00		N/A		N/A
Bank	679,381		11.38		268,741		4.50		418,041		7.00		388,181		6.50
Tier 1 capital (to total assets)(1)
Consolidated	693,807		9.02		307,743		4.00		307,743		4.00		N/A		N/A
Bank	679,381		8.84		307,335		4.00		307,335		4.00		384,168		5.00
March 31, 2024
Total capital (to risk-weighted assets)(1)
Consolidated (As Revised)*	$	789,786	13.75	%	$	459,485	8.00	%	$	603,074	10.50	%	N/A		N/A
Consolidated (As Reported)	793,567		13.82		459,485		8.00		603,074		10.50		N/A		N/A
Bank	721,018		12.59		458,163		8.00		601,338		10.50		$	572,703	10.00	%
Tier 1 capital (to risk-weighted assets)(1)
Consolidated (As Revised)*	683,015		11.89		344,614		6.00		488,203		8.50		N/A		N/A
Consolidated (As Reported)	742,430		12.93		344,614		6.00		488,203		8.50		N/A		N/A
Bank	669,881		11.70		343,622		6.00		486,798		8.50		458,163		8.00
Common equity tier 1 capital (to risk-weighted assets)(1)
Consolidated	625,700		10.89		258,460		4.50		402,049		7.00		N/A		N/A
Bank	669,881		11.70		257,716		4.50		400,892		7.00		372,257		6.50
Tier 1 capital (to total assets)(1)
Consolidated (As Revised)*	683,015		8.91		306,716		4.00		306,716		4.00		N/A		N/A
Consolidated (As Reported)	742,430		9.68		306,716		4.00		306,716		4.00		N/A		N/A
Bank	669,881		8.63		310,592		4.00		310,592		4.00		388,240		5.00
(1) As defined by regulatory agencies
*Prior periods have been revised (see disclosures above)

	Actual				Required for Capital Adequacy Purposes(1)				Required For Capital Adequacy Purposes with Capital Buffer(1)				Well Capitalized  Under Prompt Corrective Action Provisions(1)
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
December 31, 2023
Total capital (to risk-weighted assets)(1)
Consolidated (As Revised)*	$	782,598	14.04	%	$	446,000	8.00	%	$	585,374	10.50	%	N/A		N/A
Consolidated (As Reported)	786,436		14.11		446,000		8.00		585,374		10.50		N/A		N/A
Bank	714,402		12.87		444,147		8.00		582,943		10.50		$	555,184	10.00	%
Tier 1 capital (to risk-weighted assets)(1)
Consolidated (As Revised)*	676,411		12.13		334,500		6.00		473,874		8.50		N/A		N/A
Consolidated (As Reported)	735,792		13.20		334,500		6.00		473,874		8.50		N/A		N/A
Bank	663,758		11.96		333,111		6.00		471,907		8.50		444,147		8.00
Common equity tier 1 capital (to risk-weighted assets)(1)
Consolidated	619,153		11.11		250,875		4.50		390,250		7.00		N/A		N/A
Bank	663,758		11.96		249,833		4.50		388,629		7.00		360,870		6.50
Tier 1 capital (to average assets)(1)
Consolidated (As Revised)*	676,411		8.61		314,306		4.00		314,306		4.00		N/A		N/A
Consolidated (As Reported)	735,792		9.36		314,306		4.00		314,306		4.00		N/A		N/A
Bank	663,758		8.41		315,550		4.00		315,550		4.00		394,438		5.00
(1) As defined by regulatory agencies
*Prior periods have been revised (see disclosures above)