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Regulatory Capital (Tables)

9 Months Ended

Sep. 30, 2020

Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

The following tables summarize both the Corporation’s and the Bank’s capital ratios and the ratios required by their federal regulators:


						As of September 30, 2020
						Actual																		Minimum Required for Capital Adequacy Purposes																		For Capital Adequacy Purposes Plus Capital Conservation Buffer																		Minimum Required to Be Well Capitalized Under Prompt Corrective Action Requirements
						Amount						Ratio						Amount						Ratio						Amount						Ratio						Amount						Ratio
						(Dollars in Thousands)
Total capital (to risk-weighted assets)
Consolidated						$	252,325					11.42		%				$	176,728					8.00		%				$	231,956					10.50		%				N/A						N/A
First Business Bank						243,967						11.11						175,634						8.00						230,519						10.50						219,542						10.00		%
Tier 1 capital (to risk-weighted assets)
Consolidated						$	200,922					9.09		%				$	132,546					6.00		%				$	187,774					8.50		%				N/A						N/A
First Business Bank						216,469						9.86						131,725						6.00						186,611						8.50						175,634						8.00
Common equity tier 1 capital (to risk-weighted assets)
Consolidated						$	190,864					8.64		%				$	99,410					4.50		%				$	154,637					7.00		%				N/A						N/A
First Business Bank						216,469						9.86						98,794						4.50						153,680						7.00						142,702						6.50
Tier 1 leverage capital (to adjusted assets)
Consolidated						$	200,922					8.04		%				$	99,940					4.00		%				$	99,940					4.00		%				N/A						N/A
First Business Bank						216,469						8.72						99,347						4.00						99,347						4.00						124,183						5.00


						As of December 31, 2019
						Actual																		Minimum Required for Capital Adequacy Purposes																		For Capital Adequacy Purposes Plus Capital Conservation Buffer																		Minimum Required to Be Well Capitalized Under Prompt Corrective Action Requirements
						Amount						Ratio						Amount						Ratio						Amount						Ratio						Amount						Ratio
						(Dollars in Thousands)
Total capital (to risk-weighted assets)
Consolidated						$	239,029					12.01		%				$	159,185					8.00		%				$	208,930					10.50		%				N/A						N/A
First Business Bank						233,181						11.79						158,177						8.00						207,607						10.50						197,721						10.00		%
Tier 1 capital (to risk-weighted assets)
Consolidated						$	194,456					9.77		%				$	119,388					6.00		%				$	169,134					8.50		%				N/A						N/A
First Business Bank						212,315						10.74						118,633						6.00						168,063						8.50						158,177						8.00
Common equity tier 1 capital (to risk-weighted assets)
Consolidated						$	184,409					9.27		%				$	89,541					4.50		%				$	139,286					7.00		%				N/A						N/A
First Business Bank						212,315						10.74						88,974						4.50						138,405						7.00						128,519						6.50
Tier 1 leverage capital (to adjusted assets)
Consolidated						$	194,456					9.27		%				$	83,950					4.00		%				$	83,950					4.00		%				N/A						N/A
First Business Bank						212,315						10.18						83,414						4.00						83,414						4.00						104,268						5.00