Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2018

Banking and Thrift [Abstract]

Schedule of actual capital amounts and ratios

	Actual					For Capital Adequacy  Purposes					To be Well Capitalized under  Prompt Corrective Action  Provisions
	Amount			Ratio		Amount			Ratio		Amount			Ratio
	December 31, 2018
Rhinebeck Bancorp, MHC
Total capital (to risk-weighted  assets)		$	71,243		9.71%		$	58,707		8.00%		$	73,383		10.00%
Tier 1 capital (to risk-weighted assets)			64,597		8.80%			44,030		6.00%			58,707		8.00%
Common equity tier one capital (to risk weighted assets)			64,597		8.80%			33,023		4.50%			47,699		6.50%
Tier 1 capital (to average assets)			64,597		7.63%			33,849		4.00%			42,311		5.00%
Rhinebeck Bank
Total capital (to risk-weighted  assets)		$	81,222		11.07%		$	58,694		8.00%		$	73,368		10.00%
Tier 1 capital (to risk-weighted assets)			74,576		10.16%			44,021		6.00%			58,694		8.00%
Common equity tier one capital (to risk weighted assets)			74,576		10.16%			33,016		4.50%			47,689		6.50%
Tier 1 capital (to average assets)			74,576		8.80%			33,901		4.00%			42,376		5.00%

	December 31, 2017
Rhinebeck Bancorp, MHC
Total capital (to  risk-weighted  assets)		$	65,623	10.94%	$	47,977	8.00%	$	59,971	10.00%
Tier 1 capital (to risk-weighted assets)			60,166	10.03%		35,983	6.00%		47,977	8.00%
Common equity tier one capital (to risk weighted assets)			60,166	10.03%		26,987	4.50%		38,891	6.50%
Tier 1 capital (to average assets)			60,166	8.16%		29,488	4.00%		36,860	5.00%
Rhinebeck Bank
Total capital (to risk-weighted  assets)		$	68,631	11.45%	$	47,964	8.00%	$	59,955	10.00%
Tier 1 capital (to risk-weighted assets)			63,174	10.54%		35,973	6.00%		47,964	8.00%
Common equity tier one capital (to risk weighted assets)			63,174	10.54%		26,980	4.50%		38,971	6.50%
Tier 1 capital (to average assets)			63,174	8.57%		29,488	4.00%		36,860	5.00%