Loans and Allowance for Loan Losses, Part II (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Loans Receivable Aging Analysis [Abstract]
Total Past Due	$ 6,819,000		$ 6,819,000		$ 3,478,000
Current	1,799,926,000		1,799,926,000		1,278,411,000
Total Loans Receivable	1,806,745,000		1,806,745,000		1,281,889,000
Total Loans 90 Days & Accruing	299,000		$ 299,000		0
Number of days past due when interest is not accrued			ninety days
Period of satisfactory performance before returning to accrual status			not less than six months
Loans with a specific allowance [Abstract]
Recorded Balance	3,414,000		$ 3,414,000		1,174,000
Unpaid Principal Balance	3,425,000		3,425,000		1,174,000
Specific Allowance	601,000		601,000		134,000
Loans without a specific allowance [Abstract]
Recorded Balance	12,373,000		12,373,000		2,835,000
Unpaid Principal Balance	13,067,000		13,067,000		4,016,000
Total Loans [Abstract]
Recorded Balance	15,787,000		15,787,000		4,009,000
Unpaid Principal Balance	16,492,000		16,492,000		5,190,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	5,724,000	$ 3,889,000	5,515,000	$ 4,150,000
Interest income recognized	5,000	7,000	13,000	23,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans	9,636,000		9,636,000		3,412,000
Interest Lost on Nonaccrual Loans			99,000	$ 49,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance	10,996,000		10,996,000		1,743,000
Financing Receivable Modifications Performing Recorded Investment	6,151,000		$ 6,151,000		601,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Financing Receivables, Modifications during Period, Number			10	12
Financing Receivables, Modifications during Period, Balance			$ 746,000	$ 839,000
Subsequent Default, Number of Days Past Due			90 days
Financing Receivable, Modifications, Subsequent Default, Number of Contracts			1
Real Estate Acquired Through Foreclosure	2,096,000		$ 2,096,000		477,000
Mortgage Loans Secured By Real Estate In Foreclosure			555,000	55,000
Pass
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	1,749,187,000		1,749,187,000		1,240,217,000
Watch
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	27,583,000		27,583,000		19,373,000
Substandard
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	29,975,000		29,975,000		22,299,000
Doubtful
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
Construction and land development
Loans Receivable Aging Analysis [Abstract]
Total Past Due	0		0		0
Current	49,019,000		49,019,000		39,209,000
Total Loans Receivable	49,019,000		49,019,000		39,209,000
Total Loans 90 Days & Accruing	0		0		0
Loans with a specific allowance [Abstract]
Recorded Balance	0		0		0
Unpaid Principal Balance	0		0		0
Specific Allowance	0		0		0
Loans without a specific allowance [Abstract]
Recorded Balance	231,000		231,000		142,000
Unpaid Principal Balance	231,000		231,000		707,000
Total Loans [Abstract]
Recorded Balance	231,000		231,000		142,000
Unpaid Principal Balance	231,000		231,000		707,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	231,000	148,000	231,000	148,000
Interest income recognized	0	0	0	$ 0
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans	231,000		231,000		142,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance	231,000		$ 231,000		142,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Financing Receivables, Modifications during Period, Number			1	0
Financing Receivables, Modifications during Period, Balance			$ 231,000	$ 0
Construction and land development | Pass
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	48,788,000		48,788,000		39,067,000
Construction and land development | Watch
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
Construction and land development | Substandard
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	231,000		231,000		142,000
Construction and land development | Doubtful
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
Agricultural real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	758,000		758,000		106,000
Current	128,071,000		128,071,000		122,368,000
Total Loans Receivable	128,829,000		128,829,000		122,474,000
Total Loans 90 Days & Accruing	0		0		0
Loans with a specific allowance [Abstract]
Recorded Balance	430,000		430,000		430,000
Unpaid Principal Balance	430,000		430,000		430,000
Specific Allowance	0		0		0
Loans without a specific allowance [Abstract]
Recorded Balance	44,000		44,000		24,000
Unpaid Principal Balance	47,000		47,000		28,000
Total Loans [Abstract]
Recorded Balance	474,000		474,000		454,000
Unpaid Principal Balance	477,000		477,000		458,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	474,000	25,000	476,000	92,000
Interest income recognized	0	0	0	2,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans	474,000		474,000		454,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance	232,000		232,000		232,000
Agricultural real estate | Pass
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	121,170,000		121,170,000		118,103,000
Agricultural real estate | Watch
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	5,248,000		5,248,000		2,282,000
Agricultural real estate | Substandard
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	2,411,000		2,411,000		2,089,000
Agricultural real estate | Doubtful
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
1-4 Family residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due	2,997,000		2,997,000		1,955,000
Current	338,903,000		338,903,000		229,616,000
Total Loans Receivable	341,900,000		341,900,000		231,571,000
Total Loans 90 Days & Accruing	299,000		299,000		0
Loans with a specific allowance [Abstract]
Recorded Balance	471,000		471,000		0
Unpaid Principal Balance	471,000		471,000		0
Specific Allowance	0		0		0
Loans without a specific allowance [Abstract]
Recorded Balance	3,275,000		3,275,000		1,373,000
Unpaid Principal Balance	3,606,000		3,606,000		1,688,000
Total Loans [Abstract]
Recorded Balance	3,746,000		3,746,000		1,373,000
Unpaid Principal Balance	4,077,000		4,077,000		1,688,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	1,572,000	1,160,000	1,344,000	1,197,000
Interest income recognized	3,000	2,000	10,000	11,000
Loans Receivable, Modifications, Still Accruing Interest	514,000	339,000	514,000	$ 339,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans	3,232,000		3,232,000		975,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance	1,982,000		1,982,000		515,000
Financing Receivable Modifications Performing Recorded Investment	514,000		$ 514,000		397,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Financing Receivables, Modifications during Period, Number			1	4
Financing Receivables, Modifications during Period, Balance			$ 47,000	$ 61,000
1-4 Family residential properties | Pass
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	334,422,000		334,422,000		224,552,000
1-4 Family residential properties | Watch
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	1,178,000		1,178,000		1,454,000
1-4 Family residential properties | Substandard
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	6,300,000		6,300,000		5,565,000
1-4 Family residential properties | Doubtful
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
Multifamily residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due	240,000		240,000		0
Current	83,457,000		83,457,000		45,740,000
Total Loans Receivable	83,697,000		83,697,000		45,740,000
Total Loans 90 Days & Accruing	0		0		0
Loans with a specific allowance [Abstract]
Recorded Balance	535,000		535,000		316,000
Unpaid Principal Balance	535,000		535,000		316,000
Specific Allowance	0		0		0
Loans without a specific allowance [Abstract]
Recorded Balance	3,430,000		3,430,000		1,000
Unpaid Principal Balance	3,430,000		3,430,000		1,000
Total Loans [Abstract]
Recorded Balance	3,965,000		3,965,000		317,000
Unpaid Principal Balance	3,965,000		3,965,000		317,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	535,000	326,000	539,000	328,000
Interest income recognized	0	0	0	0
Loans Receivable, Modifications, Still Accruing Interest	3,430,000		3,430,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans	535,000		535,000		317,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance	3,430,000		3,430,000		0
Financing Receivable Modifications Performing Recorded Investment	3,430,000		3,430,000		0
Multifamily residential properties | Pass
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	81,490,000		81,490,000		45,180,000
Multifamily residential properties | Watch
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	1,668,000		1,668,000		243,000
Multifamily residential properties | Substandard
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	539,000		539,000		317,000
Multifamily residential properties | Doubtful
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
Commercial real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	1,825,000		1,825,000		349,000
Current	634,861,000		634,861,000		408,823,000
Total Loans Receivable	636,686,000		636,686,000		409,172,000
Total Loans 90 Days & Accruing	0		0		0
Loans with a specific allowance [Abstract]
Recorded Balance	841,000		841,000		0
Unpaid Principal Balance	841,000		841,000		0
Specific Allowance	203,000		203,000		0
Loans without a specific allowance [Abstract]
Recorded Balance	4,460,000		4,460,000		304,000
Unpaid Principal Balance	4,543,000		4,543,000		325,000
Total Loans [Abstract]
Recorded Balance	5,301,000		5,301,000		304,000
Unpaid Principal Balance	5,384,000		5,384,000		325,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	1,097,000	777,000	1,064,000	784,000
Interest income recognized	1,000	1,000	2,000	2,000
Loans Receivable, Modifications, Still Accruing Interest	2,152,000	36,000	2,152,000	$ 36,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans	3,149,000		3,149,000		269,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance	4,207,000		4,207,000		124,000
Financing Receivable Modifications Performing Recorded Investment	2,152,000		$ 2,152,000		36,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Financing Receivables, Modifications during Period, Number			1	1
Financing Receivables, Modifications during Period, Balance			$ 43,000	$ 34,000
Commercial real estate | Pass
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	615,977,000		615,977,000		386,769,000
Commercial real estate | Watch
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	3,500,000		3,500,000		10,498,000
Commercial real estate | Substandard
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	17,209,000		17,209,000		11,905,000
Commercial real estate | Doubtful
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
Agricultural loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	168,000		168,000		139,000
Current	81,246,000		81,246,000		75,747,000
Total Loans Receivable	81,414,000		81,414,000		75,886,000
Total Loans 90 Days & Accruing	0		0		0
Loans with a specific allowance [Abstract]
Recorded Balance	740,000		740,000		0
Unpaid Principal Balance	740,000		740,000		0
Specific Allowance	329,000		329,000		0
Loans without a specific allowance [Abstract]
Recorded Balance	15,000		15,000		79,000
Unpaid Principal Balance	44,000		44,000		79,000
Total Loans [Abstract]
Recorded Balance	755,000		755,000		79,000
Unpaid Principal Balance	784,000		784,000		79,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	755,000	0	696,000	0
Interest income recognized	0	0	0	0
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans	755,000		755,000		79,000
Agricultural loans | Pass
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	76,605,000		76,605,000		75,437,000
Agricultural loans | Watch
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	3,937,000		3,937,000		210,000
Agricultural loans | Substandard
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	872,000		872,000		239,000
Agricultural loans | Doubtful
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
Commercial and industrial loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	689,000		689,000		737,000
Current	371,111,000		371,111,000		304,323,000
Total Loans Receivable	371,800,000		371,800,000		305,060,000
Total Loans 90 Days & Accruing	0		0		0
Loans with a specific allowance [Abstract]
Recorded Balance	377,000		377,000		405,000
Unpaid Principal Balance	388,000		388,000		405,000
Specific Allowance	69,000		69,000		134,000
Loans without a specific allowance [Abstract]
Recorded Balance	510,000		510,000		670,000
Unpaid Principal Balance	740,000		740,000		932,000
Total Loans [Abstract]
Recorded Balance	887,000		887,000		1,075,000
Unpaid Principal Balance	1,128,000		1,128,000		1,337,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	744,000	1,157,000	777,000	1,293,000
Interest income recognized	1,000	3,000	1,000	6,000
Loans Receivable, Modifications, Still Accruing Interest	46,000	149,000	46,000	$ 149,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans	841,000		841,000		928,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance	575,000		575,000		491,000
Financing Receivable Modifications Performing Recorded Investment	46,000		$ 46,000		147,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Financing Receivables, Modifications during Period, Number			6	4
Financing Receivables, Modifications during Period, Balance			$ 405,000	$ 507,000
Commercial and industrial loans | Pass
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	360,601,000		360,601,000		298,633,000
Commercial and industrial loans | Watch
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	9,179,000		9,179,000		4,686,000
Commercial and industrial loans | Substandard
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	2,020,000		2,020,000		1,741,000
Commercial and industrial loans | Doubtful
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
Consumer loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	142,000		142,000		192,000
Current	40,739,000		40,739,000		41,387,000
Total Loans Receivable	40,881,000		40,881,000		41,579,000
Total Loans 90 Days & Accruing	0		0		0
Loans with a specific allowance [Abstract]
Recorded Balance	20,000		20,000		23,000
Unpaid Principal Balance	20,000		20,000		23,000
Specific Allowance	0		0		0
Loans without a specific allowance [Abstract]
Recorded Balance	408,000		408,000		242,000
Unpaid Principal Balance	426,000		426,000		256,000
Total Loans [Abstract]
Recorded Balance	428,000		428,000		265,000
Unpaid Principal Balance	446,000		446,000		279,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	306,000	296,000	388,000	308,000
Interest income recognized	0	1,000	0	2,000
Loans Receivable, Modifications, Still Accruing Interest	9,000	20,000	9,000	$ 20,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans	419,000		419,000		248,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance	339,000		339,000		239,000
Financing Receivable Modifications Performing Recorded Investment	9,000		$ 9,000		21,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Financing Receivables, Modifications during Period, Number			1	3
Financing Receivables, Modifications during Period, Balance			$ 20,000	$ 237,000
Consumer loans | Pass
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	40,470,000		40,470,000		41,278,000
Consumer loans | Watch
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	18,000		18,000		0
Consumer loans | Substandard
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	393,000		393,000		301,000
Consumer loans | Doubtful
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
All other loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	0		0		0
Current	72,519,000		72,519,000		11,198,000
Total Loans Receivable	72,519,000		72,519,000		11,198,000
Total Loans 90 Days & Accruing	0		0		0
Loans with a specific allowance [Abstract]
Recorded Balance	0		0		0
Unpaid Principal Balance	0		0		0
Specific Allowance	0		0		0
Loans without a specific allowance [Abstract]
Recorded Balance	0		0		0
Unpaid Principal Balance	0		0		0
Total Loans [Abstract]
Recorded Balance	0		0		0
Unpaid Principal Balance	0		0		0
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	10,000	0
Interest income recognized	0	0
All other loans | Pass
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	69,664,000		69,664,000		11,198,000
All other loans | Watch
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	2,855,000		2,855,000		0
All other loans | Substandard
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
All other loans | Doubtful
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	0		0		0
Loans secured by real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	5,820,000		5,820,000		2,410,000
Current	1,234,311,000		1,234,311,000		845,756,000
Total Loans Receivable	1,240,131,000		1,240,131,000		848,166,000
Total Loans 90 Days & Accruing	299,000		299,000		0
Loans with a specific allowance [Abstract]
Recorded Balance	2,277,000		2,277,000		746,000
Unpaid Principal Balance	2,277,000		2,277,000		746,000
Specific Allowance	203,000		203,000		0
Loans without a specific allowance [Abstract]
Recorded Balance	11,440,000		11,440,000		1,844,000
Unpaid Principal Balance	11,857,000		11,857,000		2,749,000
Total Loans [Abstract]
Recorded Balance	13,717,000		13,717,000		2,590,000
Unpaid Principal Balance	14,134,000		14,134,000		3,495,000
Average recorded investment and interest income recognized [Abstract]
Average investment in impaired loans	3,909,000	2,436,000	3,654,000	2,549,000
Interest income recognized	4,000	$ 3,000	12,000	$ 15,000
Balances of Nonaccrual Loans [Abstract]
Recorded balance of nonaccrual loans	7,621,000		7,621,000		2,157,000
Troubled Debt Restructuring [Abstract]
Troubled Debt Restructurings Balance	10,082,000		10,082,000		1,013,000
Financing Receivable Modifications Performing Recorded Investment	6,096,000		$ 6,096,000		433,000
Recorded Balance of Troubled Debt Restructurings [Abstract]
Financing Receivables, Modifications during Period, Number			3	5
Financing Receivables, Modifications during Period, Balance			$ 321,000	$ 95,000
Financing Receivables, 30 to 59 Days Past Due [Member]
Loans Receivable Aging Analysis [Abstract]
Total Past Due	1,974,000		1,974,000		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		0
Financing Receivables, 30 to 59 Days Past Due [Member] | Agricultural real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	35,000		35,000		106,000
Financing Receivables, 30 to 59 Days Past Due [Member] | 1-4 Family residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due	877,000		877,000		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		0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	461,000		461,000		251,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Agricultural loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	131,000		131,000		65,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial and industrial loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	355,000		355,000		65,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	115,000		115,000		137,000
Financing Receivables, 30 to 59 Days Past Due [Member] | All other loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	0		0		0
Financing Receivables, 30 to 59 Days Past Due [Member] | Loans secured by real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	1,373,000		1,373,000		1,416,000
Financing Receivables, 60 to 89 Days Past Due [Member]
Loans Receivable Aging Analysis [Abstract]
Total Past Due	1,974,000		1,974,000		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		0
Financing Receivables, 60 to 89 Days Past Due [Member] | Agricultural real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	188,000		188,000		0
Financing Receivables, 60 to 89 Days Past Due [Member] | 1-4 Family residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due	937,000		937,000		742,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Multifamily residential properties
Loans Receivable Aging Analysis [Abstract]
Total Past Due	0		0		0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	787,000		787,000		67,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Agricultural loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	36,000		36,000		74,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial and industrial loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	0		0		476,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	26,000		26,000		42,000
Financing Receivables, 60 to 89 Days Past Due [Member] | All other loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	0		0		0
Financing Receivables, 60 to 89 Days Past Due [Member] | Loans secured by real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	1,912,000		1,912,000		809,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Loans Receivable Aging Analysis [Abstract]
Total Past Due	2,871,000		2,871,000		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		0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Agricultural real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	535,000		535,000		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	1,183,000		1,183,000		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		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	577,000		577,000		31,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Agricultural loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	1,000		1,000		0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial and industrial loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	334,000		334,000		196,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer loans
Loans Receivable Aging Analysis [Abstract]
Total Past Due	1,000		1,000		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		0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans secured by real estate
Loans Receivable Aging Analysis [Abstract]
Total Past Due	$ 2,535,000		$ 2,535,000		$ 185,000