Regulatory Capital (Tables)

12 Months Ended

Dec. 31, 2015

Banking and Thrift [Abstract]

Summary of Regulatory Capital Requirement

Horizon and the Bank’s actual and required capital ratios as of December 31, 2015 and 2014 were as follows:

	Actual					Required For Capital1 Adequacy Purposes					Well Capitalized Under Prompt1 Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
As of December 31, 2015
Total capital1 (to risk-weighted assets)
Consolidated	$	264,452		13.99	%	$	151,223		8.00	%		N/A		N/A
Bank		237,348		12.57	%		151,057		8.00	%	$	188,821		10.00	%
Tier 1 capital1 (to risk-weighted assets)
Consolidated		249,918		13.22	%		113,427		6.00	%		N/A		N/A
Bank		222,814		11.80	%		113,295		6.00	%		151,060		8.00	%
Common equity tier 1 capital1 (to risk-weighted assets)
Consolidated		204,350		10.81	%		85,067		4.50	%		N/A		N/A
Bank		222,814		11.80	%		84,971		4.50	%		122,737		6.50	%
Tier 1 capital1 (to average assets)
Consolidated		249,918		9.82	%		101,800		4.00	%		N/A		N/A
Bank		222,814		8.77	%		101,626		4.00	%		127,032		5.00	%
As of December 31, 2014
Total capital1 (to risk-weighted assets)
Consolidated	$	212,276		14.48	%	$	117,280		8.00	%		N/A		N/A
Bank		192,604		13.08	%		117,801		8.00	%	$	147,251		10.00	%
Tier 1 capital1 (to risk-weighted assets)
Consolidated		195,775		13.35	%		58,659		4.00	%		N/A		N/A
Bank		176,103		11.96	%		58,897		4.00	%		88,346		6.00	%
Tier 1 capital1 (to average assets)
Consolidated		195,775		9.76	%		80,236		4.00	%		N/A		N/A
Bank		176,103		8.80	%		80,047		4.00	%		100,059		5.00	%

¹  As defined by regulatory agencies