Regulatory Capital - (Tables)

6 Months Ended

Jun. 30, 2016

Banking and Thrift [Abstract]

Capital Ratio Requirements under Prompt Corrective Action or Other Regulatory Requirements

At June 30, 2016 and December 31, 2015, the most recent regulatory notification categorized the Bank as “well capitalized” under the regulatory framework for prompt corrective action. To be categorized as “well-capitalized”, the Bank must maintain total risk-based, Tier 1 risk-based, and Tier 1 leverage ratios as set forth in the table below. There are no conditions or events since the notification that management believes have changed the Bank’s category.

	June 30, 2016
				Required to be			Required to be
				well capitalized under			considered
				prompt corrective			adequately
	Actual			action provisions			capitalized
	Ratio	Amount		Ratio	Amount		Ratio	Amount
Tier 1 leverage ratio:
Consolidated	11.0%	$	520,384	N/A		N/A	4.0%	$	188,492
NBH Bank	8.3%		387,176	4.5%	$	209,989	4.0%		186,657
Common equity tier 1 risk-based capital:
Consolidated	16.2%	$	520,384	N/A		N/A	4.5%	$	212,053
NBH Bank	12.1%		387,176	6.5%	$	303,318	4.5%		209,989
Tier 1 risk-based capital ratio:
Consolidated	16.2%	$	520,384	N/A		N/A	6.0%	$	192,336
NBH Bank	12.1%		387,176	8.0%	$	255,409	6.0%		191,556
Total risk-based capital ratio:
Consolidated	17.5%	$	560,302	N/A		N/A	8.0%	$	256,448
NBH Bank	13.4%		427,095	10.0%	$	319,216	8.0%		255,409

	December 31, 2015
				Required to be			Required to be
				well capitalized under			considered
				prompt corrective			adequately
	Actual			action provisions			capitalized
	Ratio	Amount		Ratio	Amount		Ratio	Amount
Tier 1 leverage ratio:
Consolidated	11.8%	$	550,368	N/A		N/A	4.0%	$	187,325
NBH Bank	11.2%		519,766	5.0%	$	464,078	4.0%		185,631
Common equity tier 1 risk-based capital:
Consolidated	17.5%	$	550,368	N/A		N/A	4.5%	$	210,741
NBH Bank	16.6%		519,766	6.5%	$	301,651	4.5%		208,835
Tier 1 risk-based capital ratio:
Consolidated	17.5%	$	550,368	N/A		N/A	6.0%	$	189,101
NBH Bank	16.6%		519,766	8.0%	$	344,989	6.0%		188,176
Total risk-based capital ratio:
Consolidated	18.4%	$	578,448	N/A		N/A	8.0%	$	252,134
NBH Bank	17.5%		547,846	10.0%	$	376,352	8.0%		250,901