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Loans and Allowance for Loan Losses, Part II (Details)		12 Months Ended
		Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		$ 1,825,992,000	$ 1,281,889,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		8,185,000	3,478,000
Current		1,817,807,000	1,278,411,000
Total Loans Greater than 90 Days Past Due and Still Accruing		$ 105,000	0
Number of days past due when interest is not accrued		ninety days
Period of satisfactory performance before returning to accrual status		six months
Loans with a specific allowance [Abstract]
Recorded Balance		$ 5,266,000	1,174,000
Unpaid Principal Balance		5,385,000	1,174,000
Specific Allowance		858,000	134,000
Loans without a specific allowance [Abstract]
Recorded Balance		12,972,000	2,835,000
Unpaid Principal Balance		14,612,000	4,016,000
Total Loans [Abstract]
Recorded Balance		18,238,000	4,009,000
Unpaid Principal Balance		19,997,000	5,190,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		17,359,000	4,712,000	$ 4,946,000
Interest income recognized		119,000	28,000	17,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		12,053,000	3,412,000
Interest Lost on Nonaccrual Loans		133,000,000	48,000,000	71,000,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance		10,889,000	1,743,000
Troubled Debt Restructuring, Allowance		196,000	0
Recorded Balance of Troubled Debt Restructurings [Abstract]
Troubled Debt Restructurings Balance		10,889,000	1,743,000
Financing Receivable Modifications Performing Recorded Investment		6,185,000	601,000
Financing Receivables, Modifications during Period, Balance		$ 1,380,000	$ 1,004,000
Financing Receivables, Modifications during Period, Number		13	19
Subsequent Default, Number of Days Past Due		ninety days
Financing Receivable, Modifications, Subsequent Default, Number of Contracts		1
Other real estate owned		$ 1,982,000	$ 477,000
Mortgage Loans Secured By Real Estate In Foreclosure		661,000	55,000
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		1,769,460,000	1,240,217,000
Watch [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		27,653,000	19,373,000
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		28,879,000	22,299,000
Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		49,104,000	39,209,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		0	0
Current		49,104,000	39,209,000
Total Loans Greater than 90 Days Past Due and Still Accruing		0	0
Loans with a specific allowance [Abstract]
Recorded Balance		227,000	0
Unpaid Principal Balance		227,000	0
Specific Allowance		0	0
Loans without a specific allowance [Abstract]
Recorded Balance		0	142,000
Unpaid Principal Balance		0	707,000
Total Loans [Abstract]
Recorded Balance		227,000	142,000
Unpaid Principal Balance		227,000	707,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		229,000	142,000	933,000
Interest income recognized		0	0	0
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		227,000	142,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance		227,000	142,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Troubled Debt Restructurings Balance		227,000	142,000
Financing Receivables, Modifications during Period, Balance		$ 227,000	$ 0
Financing Receivables, Modifications during Period, Number	[1]	1	0
Construction and land development | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		$ 48,877,000	$ 39,067,000
Construction and land development | Watch [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
Construction and land development | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		227,000	142,000
Construction and land development | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
Farm loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		126,108,000	122,474,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		424,000	106,000
Current		125,684,000	122,368,000
Total Loans Greater than 90 Days Past Due and Still Accruing		0	0
Loans with a specific allowance [Abstract]
Recorded Balance		0	430,000
Unpaid Principal Balance		0	430,000
Specific Allowance		0	0
Loans without a specific allowance [Abstract]
Recorded Balance		205,000	24,000
Unpaid Principal Balance		207,000	28,000
Total Loans [Abstract]
Recorded Balance		205,000	454,000
Unpaid Principal Balance		207,000	458,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		207,000	527,000	78,000
Interest income recognized		0	2,000	2,000
Loans Receivable, Modifications, Still Accruing Interest		0	232,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		205,000	454,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Financing Receivable Modifications Performing Recorded Investment		0	0
Financing Receivables, Modifications during Period, Balance		$ 0	$ 232,000
Financing Receivables, Modifications during Period, Number	[1]	0	4
Farm loans | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		$ 118,934,000	$ 118,103,000
Farm loans | Watch [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		5,190,000	2,282,000
Farm loans | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		1,984,000	2,089,000
Farm loans | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
1-4 Family residential properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		326,415,000	231,571,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		3,575,000	1,955,000
Current		322,840,000	229,616,000
Total Loans Greater than 90 Days Past Due and Still Accruing		105,000	0
Loans with a specific allowance [Abstract]
Recorded Balance		997,000	0
Unpaid Principal Balance		997,000	0
Specific Allowance		6,000	0
Loans without a specific allowance [Abstract]
Recorded Balance		2,497,000	1,373,000
Unpaid Principal Balance		3,207,000	1,688,000
Total Loans [Abstract]
Recorded Balance		3,494,000	1,373,000
Unpaid Principal Balance		4,204,000	1,688,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		2,988,000	1,440,000	1,276,000
Interest income recognized		22,000	14,000	12,000
Loans Receivable, Modifications, Still Accruing Interest		603,000	397,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		2,890,000	975,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance		1,753,000	515,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Troubled Debt Restructurings Balance		1,753,000	515,000
Financing Receivable Modifications Performing Recorded Investment		603,000	397,000
Financing Receivables, Modifications during Period, Balance		$ 176,000	$ 131,000
Financing Receivables, Modifications during Period, Number	[1]	3	5
1-4 Family residential properties | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		$ 318,921,000	$ 224,552,000
1-4 Family residential properties | Watch [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		918,000	1,454,000
1-4 Family residential properties | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		6,576,000	5,565,000
1-4 Family residential properties | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
Multifamily residential properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		83,200,000	45,740,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		240,000	0
Current		82,960,000	45,740,000
Total Loans Greater than 90 Days Past Due and Still Accruing		0	0
Loans with a specific allowance [Abstract]
Recorded Balance		528,000	316,000
Unpaid Principal Balance		528,000	316,000
Specific Allowance		0	0
Loans without a specific allowance [Abstract]
Recorded Balance		3,419,000	1,000
Unpaid Principal Balance		3,547,000	1,000
Total Loans [Abstract]
Recorded Balance		3,947,000	317,000
Unpaid Principal Balance		4,075,000	317,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		3,824,000	323,000	0
Interest income recognized		55,000	0	0
Loans Receivable, Modifications, Still Accruing Interest		3,419,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		528,000	317,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance		3,419,000	0
Recorded Balance of Troubled Debt Restructurings [Abstract]
Troubled Debt Restructurings Balance		3,419,000	0
Financing Receivable Modifications Performing Recorded Investment		3,419,000	0
Multifamily residential properties | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		81,018,000	45,180,000
Multifamily residential properties | Watch [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		1,651,000	243,000
Multifamily residential properties | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		531,000	317,000
Multifamily residential properties | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		630,135,000	409,172,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		2,421,000	349,000
Current		627,714,000	408,823,000
Total Loans Greater than 90 Days Past Due and Still Accruing		0	0
Loans with a specific allowance [Abstract]
Recorded Balance		863,000	0
Unpaid Principal Balance		884,000	0
Specific Allowance		0	0
Loans without a specific allowance [Abstract]
Recorded Balance		6,224,000	304,000
Unpaid Principal Balance		6,802,000	325,000
Total Loans [Abstract]
Recorded Balance		7,087,000	304,000
Unpaid Principal Balance		7,686,000	325,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		6,675,000	310,000	2,205,000
Interest income recognized		36,000	2,000	2,000
Loans Receivable, Modifications, Still Accruing Interest		2,116,000	36,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		4,971,000	269,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance		4,125,000	124,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Troubled Debt Restructurings Balance		4,125,000	124,000
Financing Receivable Modifications Performing Recorded Investment		2,116,000	36,000
Financing Receivables, Modifications during Period, Balance		$ 42,000	$ 33,000
Financing Receivables, Modifications during Period, Number	[1]	1	1
Commercial real estate | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		$ 610,025,000	$ 386,769,000
Commercial real estate | Watch [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		5,229,000	10,498,000
Commercial real estate | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		14,881,000	11,905,000
Commercial real estate | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
Loans secured by real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		1,214,962,000	848,166,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		6,660,000	2,410,000
Current		1,208,302,000	845,756,000
Total Loans Greater than 90 Days Past Due and Still Accruing		105,000	0
Loans with a specific allowance [Abstract]
Recorded Balance		2,615,000	746,000
Unpaid Principal Balance		2,636,000	746,000
Specific Allowance		6,000	0
Loans without a specific allowance [Abstract]
Recorded Balance		12,345,000	1,844,000
Unpaid Principal Balance		13,763,000	2,749,000
Total Loans [Abstract]
Recorded Balance		14,960,000	2,590,000
Unpaid Principal Balance		16,399,000	3,495,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		13,923,000	2,742,000	4,492,000
Interest income recognized		113,000	18,000	16,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		8,821,000	2,157,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance		9,524,000	1,013,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Troubled Debt Restructurings Balance		9,524,000	1,013,000
Financing Receivable Modifications Performing Recorded Investment		6,138,000	433,000
Financing Receivables, Modifications during Period, Balance		$ 445,000	$ 396,000
Financing Receivables, Modifications during Period, Number		5	10
Agricultural loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		$ 86,685,000	$ 75,886,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		486,000	139,000
Current		86,199,000	75,747,000
Total Loans Greater than 90 Days Past Due and Still Accruing		0	0
Loans with a specific allowance [Abstract]
Recorded Balance		1,345,000	0
Unpaid Principal Balance		1,345,000	0
Specific Allowance		660,000	0
Loans without a specific allowance [Abstract]
Recorded Balance		43,000	79,000
Unpaid Principal Balance		66,000	79,000
Total Loans [Abstract]
Recorded Balance		1,388,000	79,000
Unpaid Principal Balance		1,411,000	79,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		1,394,000	82,000	0
Interest income recognized		0	0	0
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		1,388,000	79,000
Agricultural loans | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		81,922,000	75,437,000
Agricultural loans | Watch [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		3,271,000	210,000
Agricultural loans | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		1,492,000	239,000
Agricultural loans | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		409,033,000	305,060,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		799,000	737,000
Current		408,234,000	304,323,000
Total Loans Greater than 90 Days Past Due and Still Accruing		0	0
Loans with a specific allowance [Abstract]
Recorded Balance		1,093,000	405,000
Unpaid Principal Balance		1,191,000	405,000
Specific Allowance		192,000	134,000
Loans without a specific allowance [Abstract]
Recorded Balance		378,000	670,000
Unpaid Principal Balance		572,000	932,000
Total Loans [Abstract]
Recorded Balance		1,471,000	1,075,000
Unpaid Principal Balance		1,763,000	1,337,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		1,485,000	1,569,000	429,000
Interest income recognized		4,000	8,000	0
Loans Receivable, Modifications, Still Accruing Interest		41,000	147,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		1,430,000	928,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance		1,040,000	491,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Troubled Debt Restructurings Balance		1,040,000	491,000
Financing Receivable Modifications Performing Recorded Investment		41,000	147,000
Financing Receivables, Modifications during Period, Balance		$ 916,000	$ 375,000
Financing Receivables, Modifications during Period, Number	[1]	7	5
Commercial and industrial loans | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		$ 397,762,000	$ 298,633,000
Commercial and industrial loans | Watch [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		8,485,000	4,686,000
Commercial and industrial loans | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		2,786,000	1,741,000
Commercial and industrial loans | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		38,028,000	41,579,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		240,000	192,000
Current		37,788,000	41,387,000
Total Loans Greater than 90 Days Past Due and Still Accruing		0	0
Loans with a specific allowance [Abstract]
Recorded Balance		213,000	23,000
Unpaid Principal Balance		213,000	23,000
Specific Allowance		0	0
Loans without a specific allowance [Abstract]
Recorded Balance		206,000	242,000
Unpaid Principal Balance		211,000	256,000
Total Loans [Abstract]
Recorded Balance		419,000	265,000
Unpaid Principal Balance		424,000	279,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		557,000	319,000	25,000
Interest income recognized		2,000	2,000	1,000
Loans Receivable, Modifications, Still Accruing Interest		6,000	21,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		414,000	248,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance		325,000	239,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Troubled Debt Restructurings Balance		325,000	239,000
Financing Receivable Modifications Performing Recorded Investment		6,000	21,000
Financing Receivables, Modifications during Period, Balance		$ 19,000	$ 233,000
Financing Receivables, Modifications during Period, Number	[1]	1	4
Consumer loans | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		$ 37,624,000	$ 41,278,000
Consumer loans | Watch [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		17,000	0
Consumer loans | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		387,000	301,000
Consumer loans | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
All other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		77,284,000	11,198,000
Loans Receivable Aging Analysis [Abstract]
Total Past Due		0	0
Current		77,284,000	11,198,000
Total Loans Greater than 90 Days Past Due and Still Accruing		0	0
Loans with a specific allowance [Abstract]
Recorded Balance		0	0
Unpaid Principal Balance		0	0
Specific Allowance		0	0
Loans without a specific allowance [Abstract]
Recorded Balance		0	0
Unpaid Principal Balance		0	0
Total Loans [Abstract]
Recorded Balance		0	0
Unpaid Principal Balance		0	0
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans		0	0	0
Interest income recognized		0	0	$ 0
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans		0	0
All other loans | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		74,377,000	11,198,000
All other loans | Watch [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		2,892,000	0
All other loans | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		15,000	0
All other loans | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Net		0	0
Financing Receivables, 30 to 59 Days Past Due [Member]
Loans Receivable Aging Analysis [Abstract]
Total Past Due		4,468,000	1,683,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Construction and land development
Loans Receivable Aging Analysis [Abstract]
Total Past Due		0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Farm loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		0	106,000
Financing Receivables, 30 to 59 Days Past Due [Member] | 1-4 Family residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due		1,854,000	1,059,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Multifamily residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due		0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due		1,662,000	251,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Loans secured by real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due		3,516,000	1,416,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Agricultural loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		365,000	65,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial and industrial loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		395,000	65,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		192,000	137,000
Financing Receivables, 30 to 59 Days Past Due [Member] | All other loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		0	0
Financing Receivables, 60 to 89 Days Past Due [Member]
Loans Receivable Aging Analysis [Abstract]
Total Past Due		1,836,000	1,401,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Construction and land development
Loans Receivable Aging Analysis [Abstract]
Total Past Due		0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Farm loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		131,000	0
Financing Receivables, 60 to 89 Days Past Due [Member] | 1-4 Family residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due		713,000	742,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Multifamily residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due		0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due		716,000	67,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Loans secured by real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due		1,560,000	809,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Agricultural loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		84,000	74,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial and industrial loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		155,000	476,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		37,000	42,000
Financing Receivables, 60 to 89 Days Past Due [Member] | All other loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans Receivable Aging Analysis [Abstract]
Total Past Due		1,881,000	394,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Construction and land development
Loans Receivable Aging Analysis [Abstract]
Total Past Due		0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Farm loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		293,000	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | 1-4 Family residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due		1,008,000	154,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Multifamily residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due		240,000	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due		43,000	31,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans secured by real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due		1,584,000	185,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Agricultural loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		37,000	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial and industrial loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		249,000	196,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		11,000	13,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | All other loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due		$ 0	$ 0
[1] Type of modifications:(a) Reduction of stated interest rate of loan(b) Change in payment terms(c) Extension of maturity date(d) Permanent reduction of the recorded investment

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